LD1500 Preamp Effects Processor Bluetooth Performance Reverb Processor Spectrum Equalizer Microphone Feedback Suppressor Tuner, US Plug, EU Plug, UK Plug, AU 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/100Hz
2. Port connections:
- Line input: RCA
- Input impedance: 56k ohms
3. Speaker line output:
- Frequency response: 20Hz-30kHz, ±1dB (peak/trough)
- High-frequency range: ±7dB/10kHz
- Low-frequency range: ±7dB/100Hz
4. Subwoofer output:
- Low-frequency adjustment: 25Hz, -250Hz, -18dB/oct
- THD (total harmonic distortion): 0.015% at +4dBu voltage, 1kHz
- Output impedance: 100 ohms
5. Power supply: AC 110-240V, 50-60Hz
6. Power consumption: 15W
7. Remote control power: 2 AA batteries (not included)
8. Size: about 48 x 15.5 x 7.5cm

Features:
1. Advanced feedback suppression circuitry prevents howling
2. Synthetic resin knobs with superior damping for smoother adjustment and extended lifespan
3. Full metal enclosure with stainless steel paint finish; top panel vents prevent overheating
4. Digital HD display for clearer signal frequency readouts and easier adjustments
5. Non-slip pads prevent bottom scratches
6. Includes remote control for convenient distance adjustments