ZD300.1
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RMS @ 4 Ohm (<1% Distortion): 1 x 140 Watts

RMS @ 2 Ohm (<1% Distortion): 1 x 230 Watts

RMS @ 1 Ohm (<1% Distortion): 1 x 320 Watts

Total Harmonic Distortion: <0.15

Frequency Response: 10Hz ~ 180Hz

Signal-to-Noise Ratio: >85dB

Input Sensitivity: 0.2V ~ 5V

Low-Pass Crossover: 40Hz ~ 180Hz

Subsonic Filter: 10Hz ~ 50Hz

Dimensions (L x W x H): 176 x 161 x 48mm

ZD1000.1
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RMS @ 4 Ohm (<1% Distortion): 1 x 400 Watts

RMS @ 2 Ohm (<1% Distortion): 1 x 600 Watts

RMS @ 1 Ohm (<1% Distortion): 1 x 1000 Watts

THD @ 4 Ohm Load - 30% Rated Power: <0.2%

Frequency Response: 8Hz ~ 180Hz

Signal-to-Noise Ratio: >70dB

Input Sensitivity: 0.2V ~ 5V

Low-Pass Crossover: 40Hz ~ 180Hz

Subsonic Filter: 5Hz ~ 50Hz

Bass Boost Frequency: 30Hz ~ 180Hz

Bass Boost Level: 0dB ~ 12dB

Best Efficiency: >85%

ZD1800.1
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RMS @ 4 Ohm (<1% Distortion): 1 x 750 Watts

RMS @ 2 Ohm (<1% Distortion): 1 x 1100 Watts

RMS @ 1 Ohm (<1% Distortion): 1 x 1800 Watts

THD @ 4 Ohm Load - 30% Rated Power: <0.2%

Frequency Response: 8Hz ~ 180Hz

Signal-to-Noise Ratio: >70dB

Input Sensitivity: 0.2V ~ 5V

Low-Pass Crossover: 40Hz ~ 180Hz

Subsonic Filter: 5Hz ~ 50Hz

Bass Boost Frequency: 30Hz ~ 80Hz

Bass Boost Level: 0dB ~ 12dB

Best Efficiency: >85%