Description
MK6906/MK6920 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.
Features
● 2 stereo outputs for 8Ω speaker
● 4 Mic inputs, Mic 3 & Mic 4 with phantom power 48V
● Support MP3 play by USB
● 3 stereo AUX inputs with bass/treble
● 1 AUX output for power extension
● 7-band equalizer adjustment
● Echo, delay, repeat and audio recording
● Power supply: AC220V/50Hz
● Two modes:select program, adjust volume, and select repeating mode and EQ mode
- Specification
| Model | MK6906 | MK6920 | MK6925 |
| Microphone input sensitivity | 5 ± 0.5mV | 4.5±0.5mV | |
| Line input sensitivity | 250 ± 50mV | ||
| MP3 input -10dB / 1KHZ sine wave | Output 23V | Output 32V | Output 45V |
| 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/ 50Hz | ||
| Phantom voltage | + 48V | ||
| Rated power consumption | 8Ω 60W | 8Ω 120W | 8Ω250W |
| Protective function | Overload, over temperature, short circuit | ||
| Dimension (L × W × H) | 483x 310x 88 mm | ||
| Package dimension (L × W × H) | 520mm×395mm×170mm | ||
| Gross weight | 9.5kg | 10.15kg | 7.6kg |
| Net weight | 7.5kg | 8.15kg | 5.6kg |
