Cerwin Vega - B51 - RMS: 300 Watts x 1 @ 4 ohms, 500 Watts x 1 @ 2 ohms

DESCRIPTION

• Mono Class D amplifier

• Designed for powering single subwoofer systems in automotive, marine, and motorcycle applications (with proper ventilation)

• Stable operation at 2Ω for increased output performance

FEATURES

• High-efficiency Class D output stage reduces current draw and heat

• 1-channel mono design optimized for subwoofer use

• Compatible with factory or aftermarket head units via RCA or high-level speaker inputs

• Variable low-pass crossover and subsonic filter for tuning low-frequency response

• Built-in protection: thermal, short circuit, over-current, low-impedance

SPECIFICATIONS

• Amplifier Type: Mono Class D

RMS Power Output (Rated)

• Frequency Response: ~20 Hz – 250 Hz

• Low-Pass Crossover: Variable ~50 – 150 Hz

• Subsonic Filter: ~20–30 Hz (model batch dependent)

• Input Compatibility: RCA low-level + High-Level speaker input

• Signal-to-Noise Ratio: > 85–90 dB (typical)

• Protection Circuitry: Thermal / Short / Overload / DC Offset

DIMENSIONS

• Length: ~9.0 in (229 mm)

• Width: ~7.0 in (178 mm)

• Height: ~2.0 in (51 mm)

• Mounting Profile: Compact enough for under-seat, trunk side panel, or saddlebag amp plate (verify cooling clearance)

FITMENT

• Automotive single or dual sub setups

• Motorcycle bag subwoofer systems (with airflow)

• Marine / UTV installs when mounted in protected / enclosed areas

• Works with most sealed or ported enclosures rated 300–600W RMS

INCLUDES

• B51 Mono Amplifier

• Mounting hardware (varies by packaging batch)