DAP-Audio Qi-4600

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Digital Class D Amplifier

Power: 4x 600 W/4 Ohm, 4x 360 W/8 Ohm (RMS)
Bridge mode: 2x 1200 W/8 Ohm (RMS)
Inputs: 4x XLR (bridge and stereo mode selectable)
Protective devices: Short-circuit, overheat, mute on power-up and power-down, DC voltage protection and RF protection
LED indicator (signal, limit, protection)
19'' Steel housing
Dimensions (W x H x D): 483 x 44 x 390 mm
Weight: 6.4 kg
Colour: Black

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3-Year Thomann Warranty

Available since May 2023
Item number 567133
Sales Unit 1 piece(s)
Power (4 Ohms) per Channel 600 W
Channels 4
Rack Units 1 U
Amp Class Class D
2 Ohm stable No
DSP/Crossover No
Convection cooling No
Width in mm 483 mm
Depth in mm 390 mm
Height in mm 44 mm
Weight 6,4 kg
Bridged Mode Yes
Temperature controlled fan Yes
Input XLR Yes
Parallel Input Yes
Link Out XLR
Output Speaker Twist Yes

493 €

All prices incl. VAT

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2 / 5

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1 Review

Good potential, let down by design flaw

Barry Sausagechops 14.07.2025

This amp is a good price, light weight, small 1u form factor. I bought it to power a pair of mid tops with separate mid drivers and compression drivers, so needed four channels in one box

Unfortunately there's a problem - unacceptably high levels of crosstalk between channels. If I connect a source to input 1 and a driver to output 2, I hear the signal from in 1 on out 2 (and 3 and 4)

I can't send LF content to my mid drivers and have those low frequencies also going to the comp drivers. They'll be damaged. So the crosstalk prevents the amp working for me.

For the record : I bought the same amp twice from two different suppliers. Both behaved the same. So it looks like a design flaw, not a one-off fault.

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Digital Class D Amplifier

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DAP-Audio Qi-4600

Digital Class D Amplifier

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