LD1500 Preamp Effects Processor Bluetooth Performance Reverb Processor Spectrum Equalizer Microphone Feedback Suppressor Tuner US Plug

1. Microphone:- Input interface: 1/4 TRS balanced connector- Input impedance: 2K ohms- Frequency response: 20Hz to 30kHz, +/-1dB (peak/trough)- THD (total harmonic distortion): 0.015% at +4dBu voltage, 1kHz- Noise level: ≤-80dB- High-frequency EQ: ±7dB/10kHz- Midrange EQ: ±7dB/2kHz- Low-frequency EQ: ±7dB/100Hz2. Port connections:- Line input: RCA- Input impedance: 56k ohms3. Speaker line output:- Frequency response: 20Hz-30kHz, ±1dB (peak/trough)- High-frequency range: ±7dB/10kHz- Low-frequency range: ±7dB/100Hz4. Subwoofer output: - Low-frequency adjustment: 25Hz, -250Hz, -18dB/oct- THD (total harmonic distortion): 0.015% at +4dBu voltage, 1kHz- Output impedance: 100 ohms5. Power supply: AC 110-240V, 50-60Hz6. Power consumption: 15W7. Remote control power: 2 AA batteries (not included)8. Size: about 48 x 15.5 x 7.5cmFeatures:1. Advanced feedback suppression circuitry prevents howling2. Synthetic resin knobs with superior damping for smoother adjustment and extended lifespan3. Full metal enclosure with stainless steel paint finish; top panel vents prevent overheating4. Digital HD display for clearer signal frequency readouts and easier adjustments5. Non-slip pads prevent bottom scratches6. Includes remote control for convenient distance adjustments