FX9plus Digital Karaoke Pre-Amplifier With Bluetooth USB DSP Reverb Effect Processor EU Plug(Black)

1. Signal-to-Noise Ratio (L/R Channels, 1kHz, 0dB): 90dB2. Total Harmonic Distortion (THD): 1kHz, -3dB: 0.03%3. Sensitivity: MIC: 6mV/4kΩ; AUX: 280mV/30kΩ4. Frequency Response (MIC): 40Hz-15kHz (+1/-6dB)5. Tone Control (Music Bass): +10dB (100Hz)6. Center/Subwoofer Channel SNR: 87dB7. Channel Separation: 75dB8. Audio Adjustment Range: Music Bass: +/-10dB (100Hz); Treble: +/-10dB (10kHz)9. Microphone Adjustment Range: Bass: +/-10dB (100Hz); Treble: +/-5dB (10kHz)10. Effects (Dual Echo): Output Level: 2.8V/kΩ11. Microphone Noise Gate Threshold: Trigger Voltage: 3mV; Activation Time: 3s12. Distortion (1kHz, 30mV): 0.03%13. Power Consumption: 25W14. Dimensions: Approx. 48.3 x 16.3 x 4.7cmFeatures:1. Equipped with a digital audio DSP chip supporting stereo reverb effects; features independent controls for echo delay, repeat, and high/mid/low EQ to meet personalized tuning needs across various scenarios.2. Built-in feedback suppression circuit with a dedicated one-touch FBX (anti-feedback) switch; quickly identifies and suppresses microphone-induced howling and noise interference to enhance vocal clarity.3. Supports wireless Bluetooth (BT), USB local playback, optical digital input, and dual AUX analog inputs; fully compatible with playback devices such as smartphones, tablets, computers, and disc players.4. The rear panel provides outputs for left/right main channels, a center channel, and a subwoofer; it supports multiple front/rear microphone inputs with independent volume fine-tuning, facilitating the setup of a complete sound reinforcement system.5. The unit's dimensions comply with standard rack-mount specifications and feature a brushed metal front panel.6. Suitable for a wide range of settings, including stage performances, conference presentations, home karaoke, bars, and corporate events.