Alpine S2-A55V S-Series 5-Channel Amplifier
Enhance your car audio system with the Alpine S2-A55V, a high-performance 5-channel amplifier from the S-Series. Engineered with Class D technology and Hi-Res Audio certification, this compact amplifier delivers 550W total power for full-range audio, ideal for driving speakers and subwoofers.
Key Features of the Alpine S2-A55V
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Class D Amplifier Circuit: Provides efficient power output with minimal heat.
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Hi-Res Audio Certified: Supports high-resolution audio for superior sound quality.
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Built-in Selectable/Adjustable Crossovers: Includes high-pass (50-250 Hz) and low-pass (50-250 Hz) filters.
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Two-Sided Terminal Layout: Simplifies wiring for front, rear, and subwoofer connections.
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Optional Remote Bass Knob: Allows on-the-fly bass level adjustment (RUX-KNOB2 sold separately).
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CEA-2006 Compliant: Ensures accurate power ratings.
Specifications Table
| Specification |
Details |
| Amplifier Type |
5-Channel Amplifier |
| Power Output (RMS) |
55W x 4 @ 4Ω + 300W x 1 @ 2Ω |
| Power Output (Max) |
|
| Frequency Response |
10 Hz - 40 kHz (Hi-Res Certified) |
| Signal-to-Noise Ratio |
105 dB @ 4Ω |
| Total Harmonic Distortion (THD) |
< 1% @ rated power |
| Input Sensitivity |
200mV - 4V (RCA), 600mV - 10V (High-Level) |
| Crossover Frequencies |
High-Pass: 50-250 Hz (12 dB/Oct), Low-Pass: 50-250 Hz (12 dB/Oct) |
| Damping Factor |
> 250 |
| Operating Voltage |
9V - 16V DC |
| Idle Current |
0.8A |
| Maximum Current Draw |
70A @ 2Ω |
| Dimensions (W x H x D) |
7.48" x 2.01" x 7.09" (190 x 51 x 180 mm) |
| Weight |
5.5 lbs (2.5 kg) |
| Efficiency |
Not specified |
