AK900II Digital Karaoke Pre-Amp
● 96kHz sampling rate，32-bit DSP SHARC process，24-bit AD/DA convert.● 2 independent MIC processor, 4 MIC input can be connected, with independent gain control, phase, limiter, noise gate, optional types low cut, 20 band PEQ, exciter( parameter can be adjusted and saved), optional 6 class feedback killer.
● MIC effect with master volume control, limiter; ECHO with 5 band PEQ( can be low/high cut), mode1 and mode2 effect
can be chosen, stereo and mono effect can be chosen, delay, repeat and pre delay parameter can be adjusted
separately; REVERB with 5 band PEQ( can be low/high cut), pre delay, time, exciter, space, reflect parameter adjust,
and direct sound effect processor.
● Music channel with master volume control, limiter, noise gate, optional types low cut, 10 band PEQ, exciter( parameter can be adjusted and saved), key shift. 2 stereo music input, BGM and VOD with single input volume control, automatic and manual switching mode can be chosen, 1optical input and 1 coaxial input included.
● 5.1 channel output: with independent volume control, mute, phase, compressor( parameter can be adjusted), PEQ(can
be low/high cut) and delay.
● Output channel with dance and sing setting function, auto and manual mode can be chosen. In the mode of automatic
mode, when opening the MIC, it enter singing mode; when closing the MIC, it enter dance music mode.
● 2 MIC process channel can connect with different style MIC, such as wireless MIC, wire MIC, console towbar MIC.
different curves with different modifies, let the MIC tone be the perfect.
● Three working mode for the device: power-off memory, power-off not memory, power-off not memory and the default
parameter is U01 when every start. the three mode can be chosen for different person in different condition.
● Beautiful and visual PC software window, All the functions operate on the PC software also can operate on the front panel. The panel and software with lock function, the panel with USB port, RS232 remote distance control port on the rear panel, made the system more safety and convenient.
● High-end LCD display, with infrared remote control function, one factory preset and 16 user preset, and there are several recommend effect Parameter can be chosen, preset file can be save and recall, and the device data can upload and download.
● The device can be used in high end nightclub, dancing room, slow-roll bar, discount-style KTV, private club, multi-function hall and so on.
| System specification | Frequency Response | 20Hz-20kHz,-0.5dB |
| S/N Ratio | >115dBu | |
| T.H.D | <0.005% at 1kHz（0dBu） | |
| Cross talk | >70dBu | |
| MIC input section | Type | Unbalanced 6.3JACK |
| MAX Gain | 45dBu | |
| Impedance | 2.2KΩ | |
| Music input section | Type | Unbalanced RCA |
| Max. Input level | +18dBu | |
| Impedance | 1MΩ/Stereo | |
| Output section | Type | Balanced XLR |
| Max. Output level | +18dBu | |
| Impedance | <500Ω | |
| Digital Processing | 24 bit sigma-delta converters | |
| 32 bit DSP, 96 kHz sampling rate | ||
| Display | 2*16 LCD display for parameter setting and function select | |
| Power supply | AC 95-250V 50/60Hz | |
| Dimension(L*W*H) | 48.2*20.5*4.4CM | |
