Guangzhou DSPPA Audio Co., Ltd.
Tel: 020-28346138
Fax: 020-81305947

MK6925 2×250W Stereo Pre-amplifier


● 2 stereo outputs for 8Ω speaker
● 4 Mic inputs, Mic 3 & Mic 4 with phantom power 48V supply
● 3 stereo AUX inputs with volume adjustment and bass/treble control
● 1 AUX output for power extension
● 1 REC out of RCA for audio recording
● 7-band equalizer with convenient adjustment
● Built-in Echo, Delay, Repeat audio effects
● Easy selection for each Mic input and AUX input
● Power supply: AC220V/50Hz
  • Introduction
  • Specification
  • Connection

MK6925 amplifier integrates balancing function and pre amplifier and post amplifier. The series is equipped with three sets of stereo sound source input ports, four microphone input ports, a stereo line output ports, a recording output port and two groups of amplifier output terminals. Volume of three-way stereo sound source channels can be controlled independently cooperating with function of “choose 1 out of 4”. Volume of four microphones can be controlled independently. There is also a master volume control knob on the front panel. Equipped with seven equal sections, output volume is adjustable.

This product is more user-friendly designed. It adopts innovative technology and produces powerful, beautiful sound. Its functional operation is clear at a glance. At the same time, the product is designed for conference, sound volume is adjustable. Besides, it has multiple protection and enough function, stable and suitable for conference, background music, Karaoke, audio-visual and family engineering support.

Model MK6925
Microphone input sensitivity 5 ± 0.5mV
Line input sensitivity 250 ± 50mV
MP3 input -10dB / 1KHZ sine wave Output 23V
Line output voltage 950 ± 150mV
Total harmonic distortion ≤0.5 (1KHz, normal working conditions)
Line frequency response 20-20k Hz (± 3dB)
Microphone frequency response 80-20k Hz (± 3 dB)
Microphone 7 balanced 64HZ: ± 12dB
160HZ: ± 12dB
400HZ: ± 12dB
1KHZ: ± 12dB
2.5KHZ: ± 12dB
6.4KHZ: ± 12dB
15KHZ: ± 12dB
Line input and MP3 tone adjustment range bass 100Hz: ± 12dB
Treble 10KHz: ± 12dB
Signal to noise ratio (8Ω output) ≥75dB
Working power supply AC220-240V / 50Hz
Phantom voltage + 48V
Rated power consumption 8Ω 250W
Protective function Overload, over temperature, short circuit
Dimension (L × W × H) 483x 310x 88 mm
Dimension (L × W × H) 520mm×395mm×170mm
Gross weight 9.5kg
Net weight 7.5kg

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  • Tel:+86 020 37166520
  • Address:Jianggao Town, Baiyun District, Guangzhou, China