The ZEN-F25 amplifier replacment interface seamlessly converts 2025+ Ford factory A²B® (Automotive Audio Bus) to 6-channel analog RCA and TOSLink output.

NAV-TV’s ZEN-H processor seamlessly allows aftermarket amplifiers to be added to the factory Harley-Davidson headunit via its low level (8 channel) analog RCAs. 

The Pro version has a full professional-grade 8-channel DSP built in.

NAV-TV’s ZEN-H processor seamlessly allows aftermarket amplifiers to be added to the factory Harley-Davidson headunit via its low level (8 channel) analog RCAs.

Enhance your driving experience with ZEN-V MOST-150 processor.  Convert the MOST-150 audio bus to low level RCA and TOSLink outputs.  Compatible with 2020 and 2021 Audi vehicles with MIB3 amplified systems with MOST 150 connector at the MMI/Radio.

ZEN Audio preamplifier for 2017 to current Ferrari Portofino with a M.O.S.T. 150 fiber optic amplified sound system. 

The ZEN-25 processor seamlessly converts 2004-2019 BMW MOST 25 factory amplified infotainment systems to 12-channel analog RCA and TOSLink output.  Adding aftermarket amplifiers to the factory amplified BMW MOST system has never been so simple.  This module integrates directly with the MOST bus to retain volume control, full fade (analog only), balance, treble, bass control, factory 7-band EQ & phone calls with no external speaker (true OEM integration.)

NAV-TV’s AVB-GM processor seamlessly converts GM’s AVB bus to low level (6 channel) analog RCAs & TOSLINK.

The ZEN-A2B amplifier replacment interface seamlessly converts 2018+ Ford factory A²B® (Automotive Audio Bus) to 6-channel analog RCA and TOSLink output.

The NAV-TV ZEN-M processor seamlessly converts late model Mercedes factory MOST-150 audio bus to 12-channel analog RCA and TOSLink output.

Enhance your driving experience with ZEN-V MOST-150 processor.  Convert the MOST-150 audio bus to low level RCA and TOSLink outputs.  Compatible with Audi, Bentley with MIB infotainment systems and Porsche with PCM4.0 - PCM5.2 infotainment systems.