Golden Acoustics A12 12-channel Optical Bluetooth USB Car Audio Digital Signal Processor DSP

Technical Specifications:
Active Range: >=100dB
S/N Ratio: >=100dB
T.H.D.: <=0.005%
Frequency Response: 20Hz—20kHz
Input Impedance: High Level input 240ohm
Low Level output impedance: 51ohm
Signal input range (max): RCA 6.5Vpp, High Level: 28Vpp
Signal output range (max): RCA 8Vpp
Ambient Temperature: -20°C to 70°C
Supply Voltage: DC 9V to 16V
Turn-on REM input: High Level Start (IN1+/IN1-) or ACC
Turn-on REM output: +12V starting voltage output (0.2A)
Power Consumption: <=0.1W
Dimension (mm): 217 x 143 x 47.5
Weight: 1.58kg

Functional Parameters
Input Signal Type: 8-channel High Level / 4-channel Low Level Input, Optical, Bluetooth

Output Signal Type: 12-channel Low Level RCA

Ouput Signal Gain: Gain Range: Mute, -59.9dB to 0.0dB

Output Signal Equalizer:

31-Band EQ engine for channels:
(1) Frequency Range: 20Hz—20kHz, resolution 1Hz
(2) Q Value (slope): 0.404—28.85
(3) Gain: -12dB to +12dB, resolution 0.1dB

Output Signal Frequency Divider:

Each output is equipped with multiple high-pass and low-pass independent filters.
(1) Professional type filters: Link-Ril, Butter-W and Bessel
(2) Filter crossover point: 20Hz—20kHz, resolution 1Hz
(3) Filter slope setting: OFF, 6dB/Oct to 30dB/Oct

Output Phase and Delay:

Phase and delay adjustments are available for each output channel , parameter range:
(1) Phase: in-phase or inverting (0° or 180°)
(2) Delay: 0.000 to 20ms, 0 to 692cm, 0 to 273 inches.

Scene Operation: The machine can store 6 presets.