Model:SP-650MU
Combined MP3/Bluetooth/Radio Amplifier
▪ High-grade 2U black oxidized brushed aluminum panel for elegant design;
▪ Double-sided SMT internal PCB for stable and reliable performance;
▪ Five signal inputs (three microphones, two line-in);
▪ Built-in Bluetooth 5.0 wireless audio receiver with a reception range of up to 10 meters in open space;
▪ Built-in USB flash drive port and remote control with automatic playback upon power-on;
▪ Built-in FM radio and remote control;
▪ Seven-digit fluorescent display with full-function touch buttons;
▪ 100V and 70V constant-voltage outputs and 4-16Ω constant-resistance outputs;
▪ Master volume control with independent volume adjustment for each input channel;
▪ Independent treble and bass adjustments;
▪ MIC1 auto-mute switch with an adjustable range of 0 to -30dB;
▪ Five-unit LED level display for dynamic and clear audio;
▪ Comprehensive output short-circuit and over-temperature protection;
▪ Cooling fan temperature control enabled;
▪ Rated output power: 650W;
▪ Output mode: 4-16 ohms (Ω) constant impedance output, 70V (7.53 ohms (Ω)), 100V (15.4 ohms (Ω)) constant voltage output;
▪ Microphone input: MIC1/MIC2/MIC3: 600 ohms (Ω), 10-15 mV, unbalanced;
▪ Line input: AUX1/AUX2: 10k ohms (Ω), 200-470 mV, unbalanced;
▪ Auxiliary output: 0.775V (0dB);
▪ Frequency response: 60Hz-15kHz (±3dB);
▪ THD: <0.5% at 1kHz, 1/3 rated output power;
▪ Signal-to-noise ratio (S/N): Line: 85 dB, MIC: >72 dB;
▪ Tone Adjustment Range: BASS: 100Hz (±10dB), TREBLE: 12kHz (±10dB);
▪ Mute Suppression: When MIC1 is input, MIC2, MIC3, AUX1, and AUX2 signals are attenuated by 0-30dB;
▪ Output Regulation: <3dB, from no-signal static operation to full-load operation;
▪ Function Controls: Five volume controls, one each for treble and bass, one mute control, and one power switch;
▪ Cooling: DC12V fan forced air cooling;
▪ Indicator Lights: Power: 'POWER', Level Display: '2, 4, 6, 8, 10';
▪ Protection: AC FUSE × 8A, AC FUSE × 1, load short circuit, overtemperature;
▪ Power Cord: (3 × 0.75mm²) × 1.5M (standard);
▪ Power Supply: AC220V ±10%, 50-60Hz;
▪ Power consumption: 878W;
▪ Dimensions: 89 (H) × 483 (W) × 366 (D) mm;
▪ Net weight: 17.58 kg;
High Definition Pictures:
Brochure/Data Sheet:
Operation Manual: