D1S with plug play cables enhances the sound of factory sound system, just doesn't get any easier than this. 

Features

• Intelligent High Level Input (Error Protection System)

• Start-Stop ready, Auto Turn-On

• Burr-Brown converters (PCM3168A) and Analog Devices DSP(ADAU1701),,controllable via PC software

• Signal-to-noise Ratio ≥90dB

• Frequency Response 15 Hz – 22 kHz (-3dB)

• THD ≤0,02% (1 kHz, 4Ω, 90% Power)

• Plug+Play with vehicle-specific cable sets

Specification

Power output(RMS) @ 14.4 VDC, 1% THD:

4CH @ 4 Ω：25 W x 4

4 x High Level Input

2 x AUX/RCA Input

4 x Loudspeaker Output amplified

6 x Pre-Amplifier Output/RCA (configurable via DSP)

Dimensions: 165 x 98 x 32 mm