Guangzhou DSPPA Audio Co., Ltd.
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MK6925 2×250W Stereo Pre-amplifier

Features:

● 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, an 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 OK, 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
  • Fax:+86 20 81305947
  • Email:export@dsppa.com
  • Address:Jianggao Town, Baiyun District, Guangzhou, China