"Speaker model: woofer 4 ohm 25W, tweeter 4 ohm 10W
Speaker size: woofer: 3 inches tweeter: 1 inch
Rated impedance: 4Ω±15%
Machine power: 50W
Frequency range:F0-20KHZ
Characteristic sensitivity:84dB±2dB
Resonance frequency: 400HZ±20%
Harmonic distortion: 5%
Power supply: DC 5V/3A
Battery:Built-in 7.4V/5000mAh
Usage time: 2 to 2.5 hours
Power indicator (LED): Power on - white light; Charging - red light;
Low battery status: beep for 2 minutes/time
Charging time: Quick charging 6-7 hours
Charging interface: TYPE-C interface
Sound card function: yes
Bluetooth speaker function: yes
Card reading: TF card
USB flash drive: Yes
Supported audio formats: MP3 WAV WMA FLAC APE
Sound adjustment: high, middle and bass adjustment; accompaniment, reverberation, recording adjustment; microphone volume adjustment; speaker volume adjustment
Lighting control: The diaphragm has self-flashing colorful lights; the spectrum light under the potentiometer jumps with the music.
Function keys 12 keys
Sound effect buttons: 6 keys
Special effect keys: 10 keys
Bluetooth playback operations: play pause, previous song, next song
Analog audio output: LT/RT, stereo
Dynamic range 1kHz:80dB
Crosstalk:70dB
Signal-to-noise ratio:85dB
Output level (Vrms):Vrms(1.0~2.0V 10kR)
Headphone output power: 5 mW x2CH
Speaker output power (rated value): 25W x2CH
Speaker output power (peak to peak): 50W x1.5CH
Frequency response:5MHz(<-3dB)
Color: iron gray
Product material: iron mesh + plastic
Product size: 290*175*31mm
Packing size: 310*257*125mm, 3kg
carton size: 520*325*278mm, 4pcs/ctn, G.W: 13kg
Packing List: Sound card speaker*1, wireless microphone*2, anti-slip ring*2, charging cable*2, live broadcast cable*1, remote control*1"