Sell Sell wireless rock speaker(FYS013)

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Performance specifications: FYS013WL
Audio technique: 4:1 compression
Audio input: analog,
audio resolution: 16 bit,
sampling rate: 48khz
Selectable RF channels: 8ch,
RF frequency: 2400~2483.5mhz,
power source: 3.3v
Power consumption: 90ma,
audio latency: <3.8ms
Modulation: GFSK,
RF power: <10dBm,
RF sensitivity: <-85dBm
Dynamic range@1Khz: 81dB,
frequency response: 20~20KHz, +/-3dB
Channel separation@ 1Khz: 90dB,
THD: < 0.1%,
transmitter size: 4.1"L x 3.8"W x 3.4"H
Weight: 0.44 lbs
Active speakers and receiver
Drive size (bass) : 6.5",
drive size(tweeter) : 2.5",
power output: 25W,
impedance: 4 ohm
Sensitivity (1m/1w) : 90dB,
power source: 12V DC 5AH
Rock dimensions: 13.7"L x 9.4"W x 11.4"H
Battery excessive discharging: 10.8V protection
Battery excessive charging: 13.8V protection
Weight: 13.2 lbs
Power source:
Transmitter power supply: 100V-240V 250mA
Speakers power supply: 100V-240V 1.5 A