SD-8 indoor and outdoor portable battery speaker
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Battery sound
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description
Parameters
Input impedance: 10K-20K
Input sensitivity: 550mV (4 Ω/1KHz RMS THD+N 1%)
Maximum input signal amplitude: 1.2V
Signal to noise ratio: ≥ 82dB (8 Ω/1KHz RMS THD+N 1%)
Frequency response: ± 1dB (20Hz~20KHz 70% power)
Voltage gain: 65dB (8 Ω/1KHz RMS THD+N 1%)
Rising rate: 35V/uS (8 Ω/10KHz RMS THD+N 1%) Total harmonic distortion: ≤ 0.05% (20Hz~20KHz)
Damping coefficient: 360 (400Hz)
Protection circuit: signal input amplitude limit protection, RF protection, overvoltage protection, undervoltage protection
Output short-circuit protection, midpoint protection, low impedance protection, temperature protection
Normal operating voltage range: DC12V/AC220 V ± 10%
High voltage resistance test: AC3500V/2mA/1 minute, no arcing breakdown phenomenon
Battery level display: Control the battery level at any time. When the battery level is below the limit, it will automatically shut down
Recording function: capable of recording voice, music, and more, meeting the needs of various occasions
When playing music, there are 5 different EQ modes to choose from, meeting the sound quality requirements of different occasions
Display screen: 7-segment white text large LED digital tube
Fully functional remote control
Bluetooth version 5.0
MP3 standard socket: USB 2.0, TF card
Chinese English prompt voice switching
Professional karaoke system, equipped with 2 high-end entertainment grade U-band adjustable frequency wireless microphones; Support amplification of guitar, bass and other instruments
Audio output function: supports expansion to other audio devices, making it more convenient to use
Microphone priority function: easily solve various hosting, meeting, and other occasions that require
Professional high-power D-class amplifier circuit with a high efficiency of over 85%
The automatic amplitude limiting function avoids distortion of the amplifier output caused by large input signals
Battery capacity: 12V/12.0AH lead-acid battery
Host size: 425 × 380 × 962mm (length, width, height)
Net weight of the whole machine: 28.4kg
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Our company will be committed to continuous improvement of product production process and quality, and constantly develop new products to maintain market competitiveness. Is moving towards the direction of modern enterprises with time.
Address: Bldg 6, No.2 Guangxin Street, Guangqing Industrial Park,
ShiJiao Town, Qingcheng District, Qingyuan City, China
Hotline：020-86839196
Email：13710892709@163.com
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020-86839196 13611468513 售后：020-89681549
020-86839196 13611468513 售后：020-89681549