P3 DSPA Plus is designed for 20 channel car audio sound. P3 DSPA Plus is also a all-in-one digital players.It features 10-channel Class D amplifier, outputting up to 80W per channel for eight channels, and 150W per channel for two channels. P3 DSPA Plus has built-in professional DSP tuning, supporting 31-band EQ output independent adjustment and 5-band EQ/delay input pre-adjustment for clearer, layered sound