The F4IN accessory is an analog input expansion card, compatible with the new series of bit AF Audison amplifiers with built-in DSP. The card fits into the exclusive external slot of the bit AF amplifier and adds four high-level analog input channels to the eight native bit AF, reaching twelve high-level inputs (SPK IN).

Regarding the sensitivity range of the bit AF native eight SPK IN inputs (2.2 ÷ 22 VRMS), the F4IN features 3.2 ÷ 32 VRMS for perfect integration into advanced OEM systems with higher voltages.

FEATURES

• Sensitivity range: 3.2 ÷ 32 VRMS for perfect integration into advanced OEM systems.
• Compatibility with: Audi A5/S5 2015 with B&O for Subwoofer
• Audi Q5 with B&O for Subwoofer
• Audi A6 4G with Bose for Subwoofer
• Several BMWs with H/K system for Subwoofer
• Porsche Cayenne 2018 with Bose for Subwoofer
• Skoda Octavia 2022 with Canton for Subwoofer
• Volvo FH12 with OEM Subwoofer DVC 8+8 Ohm