SPECIFICATIONS

Power specification:

Power adapter:  DC 5V/3A

Battery:  Built-in 7.4V/4000mAh (the battery can be used for 3 to 3.5 hours when the power amplifier is on)

Power LED indicator:  power on: white light; charging: red light; low power state: prompt tone for 2 minutes/time

Charging time:  Fast charging (power off) 4.5-5 hours / Slow charging (charging while playing, power amplifier on moderately) 9-12 hours

Horn specification:

Model:  full-frequency horn 4 Ω 5W

Size:  52x52x32mm

Rated impedance:  4 Ω ± 15%

Rated power:  5W

Frequency range:  F0-20KHZ

Characteristic sensitivity:  84dB ± 2dB

Resonance frequency:  400HZ ± 20%

Harmonic distortion:  ≤ 5%

Audio performance specification:

Analog audio output:  LT/RT, stereo

Dynamic range 1kHz:  ≥ 80dB

Crosstalk:  ≥ 70dB

Signal-to-noise ratio:  ≥ 85dB

Output level:  Vrms (1.0~2.0V 10kR)

Headphone output power:  5 mW x2CH

Horn output power (rated value):  5W x2CH

Horn output power (peak to peak):  10W x2CH

Main features:

Bluetooth-compatible speaker function:  Yes

Card reading:  TF card

Built-in battery play:  Yes

Play while charging:  Yes

Low power indication:  Yes (prompt tone)

Support audio format:  MP3 WAV WMA FLAC APE

Sound regulation:  high, medium and low pitch regulation; Accompaniment, reverberation, recording adjustment; Microphone volume adjustment; Speaker volume adjustment

Light control:  diaphragm with self-flashing seven-color light; The left and right potentiometers always turn on the tricolor light; The spectrum lamp under the potentiometer jumps with the size of the music

Audio switch:  Yes (no sound after the audio is turned off, and the sound card function can be used normally)

Function keys:  12 keys

Sound effect key:  6 keys

Special effect key:  12 keys

Bluetooth-compatible switch:  supported

Bluetooth-compatible playback operation:  pause, previous song, next song