Samson QH4 Owner's Manual
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Samson QH4 Owner's Manual

4 channel headphone amp
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  • Page 1 Owner's Manual...

  • Page 2: Important Safety Information

    To protect your hearing, the QH4 should always be used at as low a volume as possible. We recommend that you stringently follow the guidelines established by the If you want to dispose this product, do not mix it with general household U.S.
  • Page 3 Important Safety Information Read these instructions. Keep these instructions. Heed all warnings. Follow all instructions. Do not use this apparatus near water. Clean only with dry cloth. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
  • Page 4 Samson. Without this number, the unit will not be accepted. Please visit www.samsontech.com/ra for an RA number prior to shipping your unit. Please retain the original packing materials and, if possible, return the unit in its original carton. If your QH4 was purchased outside of the United States, contact your local distributor for warranty details and service information.

  • Page 5: Quick Start

    Follow this basic procedure for setting up and using your QH4 4-Channel Headphone Amplifier. NOTE: Before you connect any headphones to the QH4, be sure to double check that the signal source and QH4 amplifier level controls are turned all the all the way down to their fully counter clockwise positions.
  • Page 6 To expand the QH4 to allow for more than four individual headphone outputs, you can connect multiple QH4 amplifiers together by plugging a 1/8” stereo cable into the Aux Output of the first QH4 amplifier and the Aux Input of another QH4 amplifier. You can repeat this step to add as many headphone amplifiers as necessary.
  • Page 7 Front and Rear Panel Call-Outs Line INPUTS - Balanced 1/4” (TRS) left and right inputs. These line level inputs are the main signal inputs to the headphone amp. Plugging into only the L/MONO jack sends the signal to both the left and right. DC Power Input - Connect the supplied power adapter here.
  • Page 8 MASTER Volume/Power - This rotary knob controls the level sent to the individual headphone output channels and powers the QH4 on and off. Turn the control clockwise to turn the system on. Turn the knob counterclockwise until it clicks to turn the system off.

  • Page 9: Specifications

    15VDC, 800 mA, pin positive Weight 0.88lb / 0.4kg Dims (LxWxH) 4.88” x 4.88” x 1.57” / 124mm x 124mm x 40mm At Samson, we are continually improving our products, therefore specifications and images are subject to change without notice.

  • Page 10: Block Diagram

    Block Diagram UNBALANCED STEREO 1/8” OUTPUT UNBALANCED STEREO 1/8” INPUT AUX OUT AUX IN VOLUME 1 MASTER MASTER MASTER MONO VOLUME MUTE L/MONO VOLUME 2 RIGHT BALANCED 1/4” INPUTS VOLUME 3 VOLUME 4...

  • Page 11: Troubleshooting

    If these suggestions do not solve your problem, contact your nearest Samson dealer or Samson distributor. If you have any questions or comments regarding the QH4 or any other products from Samson, do no hesitate to contact us at support@samsontech.com.
  • Page 12 Samson Technologies Corp. 278-B Duffy Ave Hicksville, NY 11801 www.samsontech.com V1.3 ©2017...

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