Subwoofer enclosure with amplifier Relax RA 251 included
All-in-one solution to add bass to a factory system.
System with 30cm (12’’) subwoofer driver, with 250W amplifier included, black carpet.

A 251: mono amplifier (250W RMS / 2Ohms)

Compatible with OEM head units
High-level inputs with auto-turn on
RCA low-level inputs (5V compatible)
Bass boot (70 Hz) adjustable to 12dB
Phase setting 0/180°
External remote level control (5m cables)


Technical sheet