Class D 4-Channel 240W Power Amplifier M4240D

It adopts a temperature control circuit with a good heat dissipation device, and can achieve a fully silent effect under small loads; the system has automatic limiting output, short-circuit overload, high temperature, power-on delay and other protection functions; equipped with a delayed start system function to protect speakers from impact damage; the fan speed changes with the heat sink temperature, effectively reducing fan noise; built-in filtering function can filter out digital sound and high-frequency interference from other devices. It has national mandatory CCC product certification.

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H-Mix09 (with input/output cards)

Stereo mode 8 ohm (1KHz, 0.5% THD+N): 4x240W/8 ohm, 4x420W/4 ohm, bridge mono mode 780W/8 ohm;

Frequency response: 20Hz-20KHz, 1W/8 ohm, 0/-1dB;

Intermodulation distortion: (rated power 8 ohm) <= 0.35%;

THD+N (rated power, 8 ohm/1KHz) < 0.09%;

Damping factor (10-400Hz/8 ohm): 300:1;

Input sensitivity (rated power 8 ohm) 0.77V;

Input impedance (balanced/unbalanced) 20K/10K;

Signal-to-noise ratio (A-weighted, 8 ohm) > 100dB;

Digital limiting control coefficient 0.77V-8V;

Working mode: Class D pure digital amplifier with adaptive switching power supply;

Input connection: input XLR connector;

Output connection: professional output connector;

External power supply: ~220V, 50Hz;

Structure: CNC high-reliability high-strength steel plate;

Dimensions (H x W x D mm): 89*483*263;

Net weight 11.7Kg, gross weight 13Kg.

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Class D 4-Channel 240W Power Amplifier M4240D