performance parameter 

Bluetooth name: Q90

Bluetooth reception distance:>10 meters

Speaker impedance: 4 ohms

TF card maximum support: 64GB

Signal to noise ratio: ≥ 78DB

Frequency response range: 45HZ-20KHZ

Audio size: 530 * 330 * 270MM

Bluetooth version: 5.0

Box material: Wood

Rated power: 320W

Speaker specifications: 8 inches * 2+2.25 inches * 8

Power input: DC28V/4A

Distortion: ≤ 1%

Weight: 13 kilograms

External interfaces: USB, XIR * 2, AUX, DC charging, OTG live streaming, headphones, line output, internal recording

6.35 Microphone/Instrument

Product Features

High power array unit

Shuangshan Scenic Audio Decoding Scheme

All speaker units use neodymium iron boron strong magnetic units

U-shaped charging zinc alloy dual microphone

Support multiple units connected in series

Built in 15000mAh/22.2V lithium battery