Amplifier FT-4H250

This amplifier delivers up to 720W per channel at 2Ω in stereo and 1440W in bridge mode at 4Ω, with minimal distortion (THD+N of 0.01%). It ensures excellent audio quality with a high damping factor of 3500 and a signal-to-noise ratio of 100dB. Protection features include undervoltage, DC, overheating, and overload safeguards. Keywords:
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Description
Parameter
Rated power (THD = 1%, continuous sine 1kHz, typical value) 8Ω/stereo: 4×250W、4Ω/stereo: 4×425W、2Ω/stereo: 4×720W
Rated power (THD = 1%, continuous sine 1kHz, typical value) 16Ω/bridge: 2×500W、8Ω/bridge: 2×850W、4Ω/bridge: 2×1440W
RMS output voltage (THD = 1%, 1kHz)  44.7V
Input sensitivity Selectable 35dB, 32dB, 29dB, 26dB
THD+N: typical value  0.01% (10% rated output power, 1kHz, 8Ω)
Crosstalk suppression ≥90dB (below rated power, 20Hz-1kHz, 8Ω)
Frequency response  Typical value: +0dB, -0.5dB (10% rated output power, 20Hz-20kHz, 8Ω)
Input impedance  20kΩ (balanced), 10kΩ (unbalanced)
Damping factor Typical value: 3500 (8Ω, 20Hz-200Hz)
Signal-to-noise ratio  ≥100dB (A-weighted, 20Hz-20kHz, 8Ω)
Power supply requirements  90∽260VAC, 50/60Hz
Protection function power supply undervoltage protection, amplifier output DC protection, overheating protection, temperature power control, overload power control
Dimensions  483×45×370 (W×H×D)
Net weight  9kg
Product static power consumption  40
Product dynamic power consumption 213.6
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