The HB 154D II is a 4-channel Class D amplifier delivering 4 × 150 W RMS at 4 Ω, 4 × 200 W RMS at 2 Ω, and 2 × 350 W RMS bridged at 4 Ω. It accepts both RCA low-level and high-level inputs and features an LP/Full/HP electronic crossover with adjustable frequency for precise speaker matching. Gain control spans 0.25 V to 6 V for optimal output-level adjustment.
Key Features
4-channel Class D amplifier: 4 × 200 W RMS at 2 Ω
Bridgeable: 2 × 350 W RMS at 4 Ω
LP / Full / HP electronic crossover, 30 Hz – 250 Hz