Best Seller Dilvpoetry R50 6J4 Tube Amplifier HiFi Audio Stereo Digital Amplifier Headphone Amplifiers Bluetooth Treble Bass Desktop Preamplifier Preamp(Black) A quick review
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- ♫ Tube preamplifier: Using tube 2*6J4 for pre amplifier; Replaceable design,can be change the tube for 6K4, 6J1, GE5654, 6AK5 and 6*1n for different sound style.
- ♫ Low Ground Noise: There's no buzzing or ringing when you use it! We feature a high-grade microprocessor that controls the relay while its being switched on and off, achieving a low-ground noise power circuit.
- ♫ Headphone Amplifier: It has headphones and RCA output. Plug in the headphones directly, the amplifier output will be automatically disconnected. RCA output can be connected to a passive speaker.
- ♫ Bluetooth Amplifier: It has APT-X Bluetooth input / RCA input. It can be connected to CD, DAC decoder, mobile phone, TV, etc.
- ♫ It has treble and bass adjustment. Small size, wide power supply mode. It does not support phonograph / record player signal input.
Product Description
Product details
Input sensitivity: 0.2mV
DC Voltage : DC 12V-24V
Bass/Treble Adjust Range : ±6dB
Frequency Response : 20Hz-20KHz(±3dB)
Package weight: 0.8kG
Packing size: 260* 220* 65mm (L x W x H)
Machine size: 128.5 x 98 x 33 mm (without knob and tube)
- SNR : ≥96dB
- Distortion : 0.1%
- Power Output : 50W x 2
Use classical 2pcs 6J4 electronic tubes
► Tube can be replaced design,soft voice.
► It with good integrated circuit for powerful, dynamic and sweet sound.
► Optimize the line. Easy to replace and upgrade. The tubes can be replaced by 6K4/ 6J1/ GE5654/ 6AK5/ 6*1n tubes.
► No pop, no audible noise, dead silent when nothing is playing through it, exclusively designed for the customers who pursue HiFi sound.
Operation Guide:
1. Make sure the VOL button to the minimum.
2. Connect the left and right speakers according to the interface instruction of the rear surface, and pay attention to distinguish positive and negative.
3. Connect the sound source that needs to be used (Use Bluetooth transmission to refer to the 5th step)
4. Connect to power, press the power switch.
5. Switch to Bluetooth input, the light indicator flickers, and the blue light remains on after the phone is connected successfully.
Notice:
1. Working indicator: power on it will be red; choose Bluetooth input mode it will flash red and blue alternately; when connect Bluetooth successfully it will be blue.
2. If there are router near by the Audio amplifier, the Bluetooth transmission distance will be interfered, so please confirm stay away from the router when you use it.
3. Headphone output with priority, when connecting the headphone output, the speaker will automatically disconnect.
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