Ground Zero GZFA 1.550D – Car Audio Amplifier (RMS Power @ 1 Ω: 550 W, Frequency Response: 15 Hz – 250 Hz)

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Ground Zero GZFA 1.550D – Car Audio Amplifier (RMS Power @ 1 Ω: 550 W, Frequency Response: 15 Hz – 250 Hz) | Free Shipping

The GZFA 1.550D is a compact 1-channel Class D entry-level amplifier.

Thanks to its small physical size, installation is easy and convenient in almost any vehicle.

The amplifier features high-level (speaker-level) inputs, allowing direct connection to the factory head unit without needing a separate converter.

Despite its compact dimensions, this amplifier delivers impressive power and includes a wide range of useful features—all without compromising sound quality.

A wired level control (GZCS REMOTE) is included, making it easy to adjust the amplifier output from the driver's seat.

Specifications:

• Amplifier Type: Mono Class D

• Output Power (RMS) @ 4 Ω: 185 W (1% THD+N)

• Output Power (RMS) @ 2 Ω: 280 W (1% THD+N)

• Output Power (RMS) @ 1 Ω: 350 W (1% THD+N)

• Max Output Power (RMS) @ 1 Ω: 550 W (10% THD+N)

• Low Pass Filter: 40 Hz – 250 Hz (12 dB/oct)

• Subsonic (High Pass) Filter: 15 Hz – 50 Hz (12 dB/oct)

• Frequency Response: 15 Hz – 250 Hz

• Signal-to-Noise Ratio (SNR): 90 dB

• Total Harmonic Distortion (THD+N): 0.3%

• Damping Factor: 100

• Input Sensitivity: 200 mV – 4 V

• Recommended Speaker Cable: ≥ 2.5 mm² / 14 AWG

• Recommended Power Cable: ≥ 20 mm² / 4 AWG

• Fuses: 2 x 30A

• Dimensions (W x H x L): 180 x 53 x 277 mm