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The U.S. Acoustics Barbara Ann Beach'n Sound is a 400 Watt, 4-channel amplifier with a full complementary Class AB design. It is described as delivering warm, accurate sound while minimizing distortion and preserving audio fidelity. Angled terminals and a compact build support installation, while multiple protection circuits and LED diagnostic indicators help monitor operation.
Butterworth crossover filters provide frequency control. Specifications: RMS per channel at 4 Ohms: 100 W x 4 CH; RMS per channel at 2 Ohms: 175 W x 4 CH; RMS Bridged Mono at 4 Ohms: 350 W x 2 CH; RMS Mono at 1 Ohm: N/A. Input Sensitivity: 200mV - 6.0V; Frequency Response: 10Hz - 30KHz +/- 0.5dB; Total Harmonic Distortion (THD): >0.01%; Signal-to-Noise Ratio (SNR): > 97 dB; Channel Separation: > 92 dB; Damping Factor @100Hz 4 ohm: > 200.
Crossover Range: CH 3&4, CH 1&2. High Pass, 12dB/Octave: 15-500 Hz, 50-3K Hz; Low Pass, 24dB/Octave: 50 - 500 Hz, 500 - 5K Hz; Band Pass: N/A. Variable Bass Boost: 0 to +12 dB at 45 Hz; wired remote bass control included: No; Phase Shift (0 - 180 degrees): No. Fusing: 3 x 35A. Size (L x W x H): 17.7" x 8.9" x 2.2".