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    Zapco - ST-204D SQ III - Class D, 4-Ch, SQ Power 2Ω: 4 x 290W, 4Ω: 4 x 200W

    Zapco - ST-204D SQ III - Class D, 4-Ch, SQ Power 2Ω: 4 x 290W, 4Ω: 4 x 200W

    by Zapco
    Sold out
    $972.22 - $972.22
    $972.22
    $972.22 - $972.22
    $972.22

    The Zapco ST-204D SQ III delivers exceptional sound quality and power in a compact footprint. Designed for system builders who demand clarity and precision, it offers Class D efficiency with the warmth of Zapco’s signature SQ tuning. Perfect for full-range or bridged high-power applications.

    • Model: ST-204D SQ III
    • Channels: 4 (Full-Range Class D)
    • Power Output:
     • 290 W × 4 @ 2 Ω
     • 200 W × 4 @ 4 Ω
     • 580 W × 2 @ 4 Ω (bridged)
    • Total Harmonic Distortion (THD): < 0.5%
    • Signal-to-Noise Ratio: > 90 dB
    • Frequency Response: 15 Hz – 30,000 Hz ±1 dB
    • Input Sensitivity: 0.25 V – 5 V
    • Features:
     • RCA and speaker-level inputs
     • Variable input gain
     • Variable electronic crossover
     • Variable bass boost
     • Thermal and overload protection circuits
    • Dimensions (Net): 160 mm × 58 mm × 300 mm
    • Overall Dimensions (with end caps): 160 mm × 58 mm × 325 mm
    • Construction: Compact design with high-efficiency heat dissipation