Summary of QH4
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Owner's manual.
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Warning: to reduce the risk of electric shock, do not remove cov- er (or back) as there are no user-serviceable parts inside. Refer servicing to qualified service personnel. This lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of non...
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1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. 8. Do not install nea...
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Introduction features thank you for purchasing the samson qh4 4-channel headphone monitoring system. The qh4 provides an elegant solution for headphone monitoring, either on stage or in the studio. The perfect addition to your home recording studio, podcasting setup or just kicking back listening to...
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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 cloc...
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9. 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...
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Front and rear panel call-outs 1. 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. 2. Dc power input - connect the supplied power adapter h...
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Top panel call-outs 1. 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. 2. Mute switch - t...
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Input connectors 2 x 1/4” balanced trs, 1/8” stereo unbalanced trs max input level +21dbu, 1% thd input impedance 20kΩ frequency response 20hz to 20khz ±0.5db noise floor -114dbu, 22k bw unweighted dynamic range 122db, 22k bw signal to noise ratio 96db, re 1mw at 32Ω load aux outputs 1/8” stereo unb...
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Block diagram balanced 1/4” inputs l/mono aux in master mono master volume master mute unbalanced stereo 1/8” input right aux out 1/4” headphone outputs unbalanced stereo 1/8” output volume 1 volume 2 volume 3 volume 4.
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Troubleshooting issue solution no power (power indicator is not lit) make sure that the included power supply is connected to the qh4 amplifier. Make sure that the qh4 power supply is plugged into an ac outlet. Turn the master volume/power knob clockwise until it clicks into the on position. No audi...
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