Hydrive

Your Price Brand new. R. with guarantee. In-Store Price R. Serious Tone. The all-new HD50 Bass Combo packs Hartke's patented HyDrive speaker technology into a sleek combo design ideal for small venues, rehearsal spaces and bedroom practice sessions, and capable of greatly enriching your low-end tone. The HD50 also maintains Hartke's commitment to producing high-quality bass amplification with exceptional durability.

Hartke HyDrive112C Bass Combo Amplifier - About HyDrive HyDrive transducers represent a revolutionary improvement in bass speaker technology and a major leap forward, fusing paper and aluminum in a roadworthy speaker design that is more robust and efficient than anything available. With Hartke's HyDrive series, you get the best of both worlds: the warm tone of traditional paper cones and the clear, punchy attack of aluminum. HyDrive's patented Hybrid Cone Technology produces a speaker that uses an outside paper cone to push a warm, deep low frequency and an inner aluminum cone that produces mids and highs that cut, yet still remain sweet. One of the most important advances with the HyDrive speaker is its power-to-weight ratio. A HyDrive speaker weighs 40% less than traditional speakers and delivers 250 watts for the highest power-to-weight ratio of any bass speaker available. But the innovation runs even deeper. Because of its cast aluminum frame and neodymium magnets, HyDrive speakers operate cooler and deliver more reliable power handling at peak performance. Cross-section of a HyDrive 10" Speaker (U.S. and International Patents Pending) HyDrive 112c As our engineers were designing the HyDrive series of combos, they tested them with Hartke artist Stu Hamm, a consummate performer in every genre. The result is a remarkable series of combos that give players all the power they need with more features and less weight, thanks to their patented HyDrive speakers. With 1 x 12-inch 300 watt HyDrive neodymium hybrid cone driver, the HyDrive 112c offers 250 watts of clean linear power. The power supply features a massive toroidial transformer and internal protection circuitry to help protect the amplifier and speaker. As a result, the 112c can handle virtually any passive or active bass with enough power to hang with your guitar player's stack. On-board Hartke Shape Control and Bass Attack Overdrive allow you to control every aspect of your sound. From shaping highs and mids, to dialing up creamy distortion, the HyDrive 112c is right at home with any style of bass playing. Add a 7-band EQ and bass and treble shelving and you have the most versatile combo available. The highest quality plywood is used to construct the HyDrive combo cabinets, which have the same extensive bracing and dado joinery found in the large HyDrive cabs. Vinyl covering, steel grill and steel corners provide added protection while moving the amp from gig to gig. And of course, the HyDrive 112c combo features the original Kickback¿ design, allowing you to better project your sound while on stage. The result is an aesthetically modern combo with elegantly classic undertones. With revolutionary speaker technology and all the capabilities to sculpt your tone for any variety of playing styles, the HyDrive 112c exhibits power and versatility like no other combo on the market. 1 x 12-inch 300 watt HyDrive neodymium hybrid cone driver 250 watts of power 1-inch titanium compression driver World-famous Hartke Shape EQ 7-band graphic EQ Bass and treble contour controls Variable compressor with LED indicator Hartke Bass Attack Overdrive XLR balanced direct output Effects loop RCA CD input Footswitch jack (Shape and Bass Attack) Solid plywood cabinet construction with durable vinyl covering Weight: 57.2 lbs *

Hartke HC810 Bass Amp Cabinet - About HyDrive HyDrive transducers represent a revolutionary improvement in bass speaker technology and a major leap forward, fusing paper and aluminum in a roadworthy speaker design that is more robust and efficient than anything available. With Hartke's HyDrive series, you get the best of both worlds: the warm tone of traditional paper cones and the clear, punchy attack of aluminum. HyDrive's patented Hybrid Cone Technology produces a speaker that uses an outside paper cone to push a warm, deep low frequency and an inner aluminum cone that produces mids and highs that cut, yet still remain sweet. One of the most important advances with the HyDrive speaker is its power-to-weight ratio. A HyDrive speaker weighs 40% less than traditional speakers and delivers 250 watts for the highest power-to-weight ratio of any bass speaker available. But the innovation runs even deeper. Because of its cast aluminum frame and neodymium magnets, HyDrive speakers operate cooler and deliver more reliable power handling at peak performance. Cross-section of a HyDrive 10" Speaker (U.S. and International Patents Pending) HyDrive HX810 Bass Cabinet With the HyDrive HX810, the flagship of the line, Hartke has worked "industrial strength" into every facet of this remarkable cabinet. Power for days, a double set steel grill, inset side handles, a diamond steel kickplate and underneath, a pair of roadworthy, steel casters. The HyDrive HX810 was designed for demanding players who need critical performance at intense volume levels. Perfectly suited for all kinds of bass playing, Hartke engineers also specifically designed the HX810 with the midrange frequencies rock players rely on night after night on stages all over the world, putting the ultimate exclamation point on this cab's versatility. And the HyDrive HX810 is a sealed, quad-chambered cabinet, featuring the highest quality plywood, extensive bracing and dado joinery, making it rigid yet lightweight for superior projection of sound and true sonic clarity. With the HX810 you get eight 10-inch 250 watt HyDrive neodymium hybrid cone drivers, providing 2,000 watts of hammering bass power in the lightest 8 x 10 cabinet around. That's more than double the power capacity of any other 8 x 10. To get this much power from traditional paper cones, you would need a cabinet that had 20 speakers and weighed nearly 400 pounds! With all this lightweight power and tonal versatility, it's clear that the HyDrive HX810 is the new big daddy bass cab on the market. Quad-chamber, sealed cabinet 8 x 10-inch 250 watt HyDrive neodymium hybrid cone drivers 1-inch titanium compression driver Power Handling: 2,000 watts Impedance: 4 ohms Frequency Response: 25 Hz to 17 kHz Sensitivity: 99 dB @ 1 W/1 m Voice Coil: 2.5" Speakon™ and 1/4" inputs High frequency attenuation switch (On, -6 dB, Off) Large handle and casters for easy transport Dimensions: 47.25"(H) x 26"(W) x 15.75"(D) Weight: 135 lbs *

The all-new HD50 Bass Combo packs Hartke's patented HyDrive speaker technology into a sleek combo design ideal for small venues, rehearsal spaces and bedroom practice sessions, and capable of greatly enriching your low-end tone. The HD50 also maintains Hartke's commitment to producing high-quality bass amplification with exceptional durability The HD watts, 10" driver) employs Hartke’s patented HyDrive Speaker Technology that offers a carefully crafted hybrid (half paper, half aluminum) cone bass speaker. By combining the warmth and roundness of paper with the punch and attack of aluminum, the HyDrive design produces serious tone that is ideal for bass players of all genres and style. Packed with professional features, the HD50 combo is designed to be user-friendly and reliable for players of all levels. The combo offers Volume, Bass, Mid and Treble controls on its top-mounted amplifier panel, allowing for easy adjustments. It also features an 1/8" stereo Aux input for playing along with your favorite tracks via an MP3 player and a 1⁄4" headphone output for more intimate practice sessions. In addition, the HD50 has a built-in limiter to ensure constant amp operation at safe levels. Lastly, its solid enclosure is finished in a stylish fashion with a sleek, perforated metal grill and molded strap carry handle. With the exceptional tone of a HyDrive speaker housed in a durable, highly portable enclosure, Hartke's HD50 Bass Combo is able to perform at levels far beyond ordinary bass combos. 50 watts of output power10" HyDrive paper and aluminum cone driverTop-mounted amplifier with Volume, Bass, Mid and Treble controls1⁄4" input for active and passive bass guitars1/8" stereo Aux input for stereo line level devices (MP3 players, drum machines, keyboards, etc.)1⁄4" headphone outputBuilt-in limiterPerforated metal grillMolded strap carry handle

The all-new HD150 Bass Combo packs Hartke 's patented HyDrive speaker technology into a sleek combo design capable of greatly enriching your low-end tone and with enough power to handle any rehearsal space or small performance venue. The HD150 also maintains Hartke 's commitment to producing high-quality bass amplification with exceptional durability. The HD watts, 15" driver, 1" tweeter) employs Hartke 's patented HyDrive Speaker Technology that offers a carefully crafted hybrid (half paper, half aluminum) cone bass speaker. By combining the warmth and roundness of paper with the punch and attack of aluminum, the HyDrive design produces serious tone that is ideal for bass players of all genres and styles. 150 watts of output power 15” HyDrive paper and aluminum cone driver 1” tweeter Top-mounted amplifier with Volume, Bass, Mid and Treble controls 7-band graphic EQ Dual 1⁄4” inputs for active and passive bass guitars 1/8” stereo Aux input for stereo line level devices (MP3 players, drum machines, etc.) 1⁄4” headphone output XLR direct output Built-in limiter Effects loop Perforated metal grill Side carry handles Casters included

Save R.Your price new: R. With guarantee. In-Store price R Serious Tone. The all-new HD75 Bass Combo packs Hartke's patented HyDrive speaker technology into a sleek combo design capable of greatly enriching your low-end tone and with enough power to handle any rehearsal space or small performance venue. The HD75 also maintains Hartke's commitment to producing high-quality bass amplification with exceptional durability. The HyDrive Design. The HD watts, 12" driver, 1" tweeter) employs Hartke's patented HyDrive Speaker Technology that offers a carefully crafted hybrid (half paper, half aluminum) cone bass speaker. By combining the warmth and roundness of paper with the punch and attack of aluminum, the HyDrive design produces serious tone that is ideal for bass players of all genres and styles

The all-new HD150 Bass Combo packs Hartke 's patented HyDrive speaker technology into a sleek combo design capable of greatly enriching your low-end tone and with enough power to handle any rehearsal space or small performance venue. The HD150 also maintains Hartke 's commitment to producing high-quality bass amplification with exceptional durability. The HD150 (150 watts, 15" driver, 1" tweeter) employs Hartke 's patented HyDrive Speaker Technology that offers a carefully crafted hybrid (half paper, half aluminum) cone bass speaker. By combining the warmth and roundness of paper with the punch and attack of aluminum, the HyDrive design produces serious tone that is ideal for bass players of all genres and styles. 150 watts of output power 15¿ HyDrive paper and aluminum cone driver 1¿ tweeter Top-mounted amplifier with Volume, Bass, Mid and Treble controls 7-band graphic EQ Dual 1¿4¿ inputs for active and passive bass guitars 1/8¿ stereo Aux input for stereo line level devices (MP3 players, drum machines, etc.) 1¿4¿ headphone output XLR direct output Built-in limiter Effects loop Perforated metal grill Side carry handles Casters included

The all-new HD50 Bass Combo packs Hartke's patented HyDrive speaker technology into a sleek combo design ideal for small venues, rehearsal spaces and bedroom practice sessions, and capable of greatly enriching your low-end tone. The HD50 also maintains Hartke's commitment to producing high-quality bass amplification with exceptional durability. The HD50 (50 watts, 10' driver) employs Hartkes patented HyDrive Speaker Technology that offers a carefully crafted hybrid (half paper, half aluminum) cone bass speaker. By combining the warmth and roundness of paper with the punch and attack of aluminum, the HyDrive design produces serious tone that is ideal for bass players of all genres and styles. Packed with professional features, the HD50 combo is designed to be user-friendly and reliable for players of all levels. The combo offers Volume, Bass, Mid and Treble controls on its top-mounted amplifier panel, allowing for easy adjustments. It also features an 1/8' stereo Aux input for playing along with your favorite tracks via an MP3 player and a 1and#8260,4' headphone output for more intimate practice sessions. In addition, the HD50 has a built-in limiter to ensure constant amp operation at safe levels. Lastly, its solid enclosure is finished in a stylish fashion with a sleek, perforated metal grill and molded strap carry handle. With the exceptional tone of a HyDrive speaker housed in a durable, highly portable enclosure, Hartke's HD50 Bass Combo is able to perform at levels far beyond ordinary bass combos.

Hartke - HART-HD25 Combo Serious Tone. The all-new HD25 Bass Combo packs Hartke's patented HyDrive speaker technology into a sleek combo design ideal for small venues, rehearsal spaces and bedroom practice sessions, and capable of greatly enriching your low-end tone. The HD25 also maintains Hartke's commitment to producing high-quality bass amplification with exceptional durability. The HyDrive Design The HD25 (25 watts, 8" driver) employs Hartke’s patented HyDrive Speaker Technology that offers a carefully crafted hybrid (half paper, half aluminum) cone bass speaker. By combining the warmth and roundness of paper with the punch and attack of aluminum, the HyDrive design produces serious tone that is ideal for bass players of all genres and styles.

The Hartke 5410 combines a groundbreaking speaker design and a professional, comprehensive bass amplifier in one portable, roadworthy enclosure. The result is a pioneering bass combo that is powerful, warm, articulate and exceptionally durable.The new 5410 employs four of the revolutionary Hartke HyDrive bass speakers along with a 1-inch titanium compression driver. And this combo offers plenty of power, delivering 500 watts to its internal 4 ohm speaker system.FEATURESDelivers 500 watts to its internal 4 ohm speaker systemFour 10-inch HyDrive neodymium hybrid cone drivers1-inch titanium high frequency compression driverSealed enclosure3/4-inch plywood constructionClassic 12AX7 tube high-voltage preamp circuitBass and treble shelving plus mid peak EQ controlsBuilt-in limiterTwo independent inputs to accommodate passive and active bass guitarsEffect loop send and return jacks to connect to outboard effects processorsPerforated metal speaker grillRecessed metal handlesMetal cornersDurable black vinyl covering.(020)

Hartke LH Bass Amplifier The LH has a classic 12AX7 Class-A tube front-end design with a solid-state output. Trick out the Treble and Bass Shelving to give its warm tone a little edge, or use the brite and limiter switches to further sculpt your sound. Its intuitive front panel design also makes adjustments on the fly a breeze. Although the LH is a perfect complement to our HyDrive cabinets, it also works as a seamless accompaniment to any bass cab on the market.

Hartke proves that great tone doesn't need to cost a ton with the Hartke HD75 bass combo amp. Pushing 75 watts of power through a single 12" speaker and 1" tweeter, the HD75 is perfect for any rehearsal space or gig. When you're gigging out and about, durability is a must, and the HD75 will easily withstand being lugged from gig to gig. The Hartke HD75 bass combo amp is a great choice when you don't need a ton of power but don't want to sacrifice tone. The combination of paper and aluminum cone makes for an incredible sonic combo So what makes the Hartke HD75 bass combo stand apart from other similarly priced amps? It's all revolving around the HyDrive-design speaker. The HyDrive-design speaker uses paper around the outside for traditional warm, round tones. But the middle is aluminum, adding trademark Hartke "zing." The result is a portable bass amp that offers the best of both worlds. Sweetwater knows a thing or two about bass, and Hartke's HD75 bass combo is garnering some well-deserved attention around here. Hartke HD75 Bass Combo Amp Features: Portable and rugged for gigging 12" speaker and 75W of power for practice around the house or small gigs HyDrive uses combination of paper and aluminum cone for warmth and punch 1" tweeter for extra pop 7-band EQ for tone shaping Effects loop makes it easy to add FX 1/8" stereo Aux input allows for stereo line level devices 1?4" mono headphone output for silent practice Built-in limiter for controlled volume

Hartke proves that great tone doesn't need to cost a ton with the Hartke HD50 bass combo amp. Pushing 50 watts of power through a single 10" speaker, the HD50 is perfect for bedroom practice sessions or small intimate gigs. When you're gigging out and about, durability is a must, and the HD50 will easily withstand being lugged from gig to gig. The Hartke HD50 bass combo amp is a great choice when you don't need a ton of power but don't want to sacrifice tone. The combination of paper and aluminum cone makes for an incredible sonic combo So what makes the Hartke HD50 bass combo stand apart from other similarly priced amps? It's all revolving around the HyDrive-design speaker. The HyDrive-design speaker uses paper around the outside for traditional warm, round tones. But the middle is aluminum, adding trademark Hartke "zing." The result is a portable bass amp that offers the best of both worlds. Sweetwater knows a thing or two about bass, and Hartke's HD50 bass combo is garnering some well-deserved attention around here. Hartke HD50 Bass Combo Amp Features: Portable and rugged for gigging 10" speaker and 50W of power for practice around the house or small gigs HyDrive uses combination of paper and aluminum cone for warmth and punch 1/8" stereo Aux input allows for stereo line level devices 1?4" mono headphone output for silent practice Built-in limiter for controlled volume

The LH500, like its big brother, has a classic 12AX7 Class-A tube front-end design with a solid-state output. Developed with the HyDrive cabs in mind, the LH500 also has more than enough power and tone control to drive any cabinet on the market. This amp provides you with Treble and Bass Shelving to give its warm tone a little edge. Or use the brite and limiter switches to further sculpt your sound. Its intuitive front panel also makes adjustments on the fly a breeze. The LH500 packs a big punch in a portable, roadworthy package. A two-rackspace metal frame chassis, steel faceplate and handles allow for easy, safe transport from gig to gig. With the needs of modern bass players largely centered around volume and versatility, the LH500 is an ideal solution that gives you plenty of options to create the exact sound you're looking for. Features: 500 watts of power @ 4 ohms Classic 12AX7 High Voltage Class-A tube preamp circuit Bass and Treble Shelving, plus mid-peak EQ controls Selectable brite switch for added high frequency response Selectable limiter switch with LED indicator Front panel XLR balanced direct output Rear panel 1/4-inch effects loop 1/4-inch output connectors Two-rackspace metal chassis with steel faceplate and handles 1 year limited guarantee. For more info on this product please click here

The LH has a classic 12AX7 Class-A tube front-end design with a solid-state output. Trick out the Treble and Bass Shelving to give its warm tone a little edge, or use the brite and limiter switches to further sculpt your sound. Its intuitive front panel design also makes adjustments on the fly a breeze. Although the LH is a perfect complement to our HyDrive cabinets, it also works as a seamless accompaniment to any bass cab on the market. Obviously a head with this kind of power is perfect for gigging musicians in any number of live applications, which is why we made sure the LH is as durable as it is versatile and powerful. With a two-rackspace, metal frame chassis, steel faceplate and handles, this amp is made for the road. The LH's raw, reliable power is also perfect for additional shaping through your effects console or stomp box. With all the necessary features for complete tonal control, along with ample power and rugged design, the LH will ensure your bass playing receives the positive attention it deserves. Features: Dual Parallel Mode: 2 x 225 watts @ 8 ohms, 2 x 320 watts @ 4 ohms, 2 x 545 watts @ 2 ohms Bridge Mode: 1 x 750 watts @ 8 ohms, 1 x watts @ 4 ohms Classic 12AX7 High Voltage Class-A tube preamp circuit Bass and Treble Shelving, plus mid-peak EQ controls Selectable brite switch for added high frequency response Selectable limiter switch with LED indicator Front panel XLR balanced direct output Rear panel 1/4-inch effects loop 1/4-inch output connectors Two-rackspace metal chassis with steel faceplate and handles 1 year limited guarantee. For more info on this product please click here

four 10" hydrive paper/aluminum hybrid cone drivers neodymium magnets 1,000 watts power handling 8-ohm cabinet impedance 1" titanium compression driver high frequency attenuation switch (on,-6db, off) parallel twist & lock and 1/4" inputs 30hz–17khz frequency response solid plywood cabinet construction dual-chamber sealed cabinet design perforated steel grill inset carry handles removable casters included

12" hydrive paper/aluminum hybrid cone driver neodymium magnet 300 watts power handling selectable impedance for 4 and 8-ohm operation 1" titanium compression driver high frequency attenuation switch (on/-6db/off) parallel twist & lock and 1/4" inputs 41hz–17khz frequency response solid plywood cabinet construction ported cabinet design perforated steel grill inset carry handle

Power... Straight Up. The Hartke LH1000 Bass Amplifier utilizes a Class A tube preamp and a straight forward user interface to comp The LH1000 has a classic 12AX7 Class A tube front-end design with a solid-state output. Trick out the Bass and Treble shelving to give its warm tone an edge or use the Brite and Limiter switches to further sculpt your sound. Its intuitive front panel design also makes adjustments on the fly a breeze. Although the LH1000 is a perfect complement to our HyDrive Series Bass Cabinets, it also works as a seamless accompaniment to any bass speaker on the market. Obviously a head with this kind of power is perfect for gigging musicians in any number of live applications, which is why we made sure that the LH1000 is as durable as it is versatile and powerful. With a 2-rackspace, metal frame chassis, steel faceplate and handles, this amp is made for the road. The LH1000's raw, reliable power is also perfect for additional shaping through your effects console or stompbox. With all the necessary features for complete tonal control, along with ample power and rugged design, the LH1000 will ensure your bass playing receives the positive attention it deserves. Dual Parallel mode offers 2 x 225 watts at 8 ohms, 2 x 320 watts at 4 ohms, 2 x 545 watts at 2 ohms Bridge mode offers 750 watts at 8 ohms, 1,100 watts at 4 ohms Classic 12AX7 Class A tube preamp circuit Bass and Treble shelving, Mid-peak EQ controls Selectable Brite and Limiter switch with LED indicator Balance control blends level of A and B outputs Front panel balanced XLR direct output Rear panel 1/4" Effects loop 1/4" and Twist & Lock output connectors 2-rackspace metal chassis with steel faceplate and handles Please confirm stock availability before purchasing We are an authorized dealer of the best sound, dj equipment, studio equipment and lighting Free delivery anywhere in the country on orders over a R1000 Delivery 24-48 hours to all major cities 48-72 hours to outlying areas Warranty Type: Authorized Dealer 12 Months Warranty. All goods are subject to supplier discretion Replacement Guarantee: 30 Days: All goods are subject to supplier discretion Our Shop – Opening Soon Office F2 The Conservatory at Lakefield 106 Lakefield Avenue Lakefield Square Benoni Contact us at 110 - show phone - Tian - 718 - show phone - /Whatsapp Carlo - 844 - show phone - /Whatsapp Trading Hours: Monday - Friday 7:30am - 16:30pm Saturday 7:30am - 13:00pm If you can't find what you are looking for give us a call and we will gladly assist you

The LH500, like its big brother, has a classic 12AX7 Class-A tube front-end design with a solid-state output. Developed with the HyDrive cabs in mind, the LH500 also has more than enough power and tone control to drive any cabinet on the market. This amp provides you with Treble and Bass Shelving to give its warm tone a little edge. Or use the brite and limiter switches to further sculpt your sound. Its intuitive front panel also makes adjustments on the fly a breeze. The LH500 packs a big punch in a portable, roadworthy package. A 2-rackspace metal frame chassis, steel faceplate and handles allow for easy, safe transport from gig to gig. With the needs of modern bass players largely centered around volume and versatility, the LH500 is an ideal solution that gives you plenty of options to create the exact sound you're looking for. 500 watts of power at 4 ohms Classic 12AX7 High Voltage Class-A tube preamp circuit Bass and Treble Shelving, plus mid-peak EQ controls Selectable Brite switch for added high frequency response Selectable limiter switch with LED indicator Front panel XLR balanced direct output Rear panel 1/4" effects loop 1/4" output connectors 2-rackspace metal chassis with steel faceplate and handles Please confirm stock availability before purchasing We are an authorized dealer of the best sound, dj equipment, studio equipment and lighting Free delivery anywhere in the country on orders over a R1000 Delivery 24-48 hours to all major cities 48-72 hours to outlying areas Warranty Type: Authorized Dealer 12 Months Warranty. All goods are subject to supplier discretion Replacement Guarantee: 30 Days: All goods are subject to supplier discretion Our Shop – Opening Soon Office F2 The Conservatory at Lakefield 106 Lakefield Avenue Lakefield Square Benoni Contact us at 110 - show phone - Tian - 718 - show phone - /Whatsapp Carlo - 844 - show phone - /Whatsapp Trading Hours: Monday - Friday 7:30am - 16:30pm Saturday 7:30am - 13:00pm If you can't find what you are looking for give us a call and we will gladly assist you

The Hartke LH Series LH500 500 Watt Hybrid Bass Amp Head, like its big brother, has a classic 12AX7 Class-A tube front-end design with a solid-state output. Developed with the HyDrive cabs in mind, the LH500 also has more than enough power and tone control to drive any cabinet on the market. This amp provides you with Treble and Bass Shelving to give its warm tone a little edge. Or use the brite and limiter switches to further sculpt your sound. Its intuitive front panel also makes adjustments on the fly a breeze. The LH500 packs a big punch in a portable, roadworthy package. A two-rackspace metal frame chassis, steel faceplate and handles allow for easy, safe transport from gig to gig. With the needs of modern bass players largely centered around volume and versatility, the LH500 is an ideal solution that gives you plenty of options to create the exact sound you're looking for. FEATURES 500 watts of power @ 4 ohms Classic 12AX7 High Voltage Class-A tube preamp circuit Bass and Treble Shelving, plus mid-peak EQ controls Selectable brite switch for added high frequency response Selectable limiter switch with LED indicator Front panel XLR balanced direct output Rear panel 1/4-inch effects loop 1/4-inch output connectors