Upgrade your Alpine Adventure Audio Volkswagen T6.1 or T6 Concert Ensemble speaker system with the new SPC-D84AT6 550-watt 6-channel DSP amplifier and subwoofer system. This sound upgrade will add plenty of output power, dynamics and bass to your existing Alpine speaker system for the ultimate listening experience in your vehicle. The 550-watt DSP amplifier is pre-programmed to perfectly match the sound characteristics of the Volkswagen T6.1 and T6, ensuring perfect sound quality, while the included wiring harness for the original Volkswagen radios allows for quick plug-and-play installation in your vehicle. The included 180-watt subwoofer with wooden enclosure for installation under the passenger seat adds powerful bass and is even compatible with the California camper's rotating seat. Suitable for the following vehicles: VW T6 SG model year 07/2015 - 10/2019 VW T6.1 SH model year 2019 - DSP Amplifier 6-channel DSP amplifier 550 watts maximum output power 4x 28 watts + 2x 55 watts RMS (<10% THD, 4 Ohm) Class AB (channels 1-4) and Class D (channels 5+6) amplifier circuits 4x high power inputs Dimensions: 100 mm x 40 mm x 122 mm (134 mm with connectors plugged in) Pre-programmed VW T6.1 / T6 sound settings with digital time correction Settings for LHD or RHD vehicles Designed to work with original Volkswagen T6.1 / T6 radios (high power) Subwoofer 20 cm (8") dual voice coil subwoofer (2 Ohm + 2 Ohm) 180 Watt peak power / 60 Watt RMS power Frequency response: 34 Hz ​​– 1.5 kHz Installation brackets included for installation under the VW T6.1 / T6 seat Dimensions: 355 mm x 330 mm x 170 mm Sensitivity: 91 dB 1 W/W Subwoofer grille included Notes: For vehicles with double bench seat, check that there is sufficient space under the driver's seat before ordering This system is designed to work only with an original Volkswagen T6.1 / T6 radio This set is used to expand the speaker sets with item number 47395 or 47396 / 47396-1