• Custom Underseat Subwoofer and 6 channel DSP amp designed for Transporter T6/T6.1 2015 onwards • 550 Watt max power output • 4x 28 Watts + 2x 55 Watt RMS (<10% THD, 4Ohm) • Class AB (channel 1-4) and Class D (channel 5+6) amplification circuits • Pre-programmed VW T6.1 / T6 sound settings with digital time correction • Designed to work with original Volkswagen T6.1 / T6 radios (high-power) • Compatible with standard passenger seat and swivel seat of T6.1 / T6 California • Compatible with rotary seats and 2 person front bench • Wiring harness designed for connection to original VW radio systems (high power input).