Dear Customer:

HelloThank you very much for purchasing our products. In order to ensure safety and achieve the best effect of the product, please read this manual carefully before connecting, operating and commissioning the product. This product is guaranteed free for one year from the date of purchase. Please do not disassemble it privately, otherwise the warranty will become invalid.RH-688X series audio decoding system can decode DTS Dolby AC-3, LPCM and other digital audio format source code; support U disk playback DTS, AC3, WAV, FLAC, APE, MP3 and other lossless high-quality audio playback, support HDMI input source code audio decoding, support ARC audio return, support optical fiber and coaxial input decoding, support Bluetooth 5.0 wireless transmission, support USB playback and computer USB sound card, support mobile phone OTG function, realize the connection and decoding of all audio devices in one machine Output. Can output through 5.1 channel or 2.0 channel, fully compatible with all power amplifiers or active audio equipment on the market. The front panel LED display can show the working status of the product, panel key operation and infrared remote control operation. It can be used for interworking with DVD players, Blu-ray players, network players, set-top boxes, PS2, PS3, Xbox360, PCs, home theaters, automobiles and many other entertainment devices.Sincere service is our philosophy, customer satisfaction is our aim. The company will provide customers with the best products at the best prices, and provide quality services to customers wholeheartedly.

Features:

1 Support one digital coaxial input, one digital optical fiber input, one HDMI input, one ARC audio return transmission input, one Bluetooth 5.0 input, one USB playback input and USB computer sound card input, you can switch freely between different signal sources.2 Support a set of 5.1 channel analog audio output, any signal input decoding and playback support 5.1 or 2.0 channel output options, can be flexibly configured according to the number of speakers.? The latest Bluetooth 5.0 transmission method can automatically detect and be compatible with Bluetooth devices, PRO version supports mobile phone APP control.3 Using 24 bit/192KHz audio DSP, the fourth generation 24bit/192KHz DAC six-channel chip, with power-on reset function.Support Dolby Digital AC3, DTS, LPCM, HDCD, PCM, Dolby digital, Dolby Prologic Ⅱ and other digital audio format decoding.4 Support U disk multimedia playback, can play 5.1 channel and lossless music and other multimedia content, the maximum capacity is 128G/FAT32 format.5 Support first-level folder playback, and the remote control can also quickly select 1-10 songs to play.6 High-quality sound quality, low noise, mute and reset function on the computer, better protection of the rear stage and equipment.7 One-key switch input source, easy and fast operation, support simple operation of panel keys and infrared remote control operation.8 LED on the panel indicates the working status, and it is controlled by an external multi-function infrared remote control.9 Black oxidized metal casing, stable and decent.10 Power off memory function, automatically switch to the last used signal channel after restarting, USB play memory files before power off.11 Front panel work indicator, the corresponding indicator is always on when there is signal input, and the corresponding indicator flashes when there is no signal input.12 Use DC 12V/1A external power adapter for power supply, wide voltage can use DC (7-20V) power supply.13 Three-dimensional product size: 205mm (width) * 68mm (deep) * 30mm (height).

Specifications:

Support digital audio decoding format………………………………Dolby Digital(AC3)/DTS/PCMUSB playback audio format…………………………………… MP3 / APE / FLAC / WAV / DTS / AC3HDMI input resolution............................................................3840*2160 (30HZ)DSP sampling frequency…………………………………………………………32～192KHzDSP bit rate........................................................................16~24 BitDigital input level……………………………………………………………………0.1～1V p-p5.1 Analog output (1kHz@0dB) ......................................................≥1.5V RMSSignal-to-noise ratio @0dB (CCIR/ARM)............................................................≥90dBDistortion..............................................................................≤0.03%Frequency response…………………………………………………………20Hz～20KHzMaximum working current........................................................................700mAPower adapter specifications…………………………………… AC 100V-240V 50/60Hz, DC 12V/1A

Fever artifact

RH_688X builds a 5.1-channel surround system specifically for HIFI audio systems and home theater systems, and has developed a digital audio decoder that supports Dolby Digital AC3, DTS, LPCM, HDCD, PCM, Dolby Digital, Dolby Pro Logic II and Other digital audio formats. Support U disk DTS, AC3, WAV, FLAC, APE, MP3 and other lossless high-quality audio playback, support computer USB sound card function, support layout operation and infrared remote control operation, so the input can output sound through 5.1 interface , Can be connected to any power amplifier and active speakers

Full format supportFull interface supportFull function support

Connection and operation:

1. If you connect the HDMI output of the player, connect the output of the player and the HDMI input of the decoder through an HDMI cable, and then connect the HDMI output of the decoder to an HDMI display, TV, projection, etc. to display images, and the decoder switches to HDMI input. .2. If the optical fiber or coaxial output of the player is connected, connect the optical fiber or coaxial input of the decoder through an optical fiber audio cable or a 75-ohm RCA coaxial audio cable, and the decoder switches to optical fiber or coaxial input.3. If you use a decoder to connect to the TV, there are two ways to connect: the first is to connect the decoder to the decoder through the fiber or coaxial of the TV. Set the TV audio output to SPDIF output, and switch the decoder to fiber Or coaxial input; the second is to connect through the TV's HDMI ARC interface and the decoder's ARC interface, please set the TV's audio output to HDMI ARC output, the decoder is switched to HDMI ARC input.4. If the Bluetooth function is used, the decoder is turned on and the Bluetooth device is turned on, you can search for Ranhe Bluetooth Audio, connect this Bluetooth name pairing, display the successful connection, and switch the decoder to BT Bluetooth input.5. If you use a U disk to play, first format the U disk or check whether the U disk is in FAT32 format. If not, please format it first in FAT32 format and then copy the audio file to the U disk. You can create a first-level folder to copy in. It can be played by plugging into the USB port of the decoder, and the decoder selects USB input.6. If you use a USB-PC to connect to the computer USB to realize the computer 5.1 sound card, please switch the decoder to PC input, and then connect the computer USB and the decoder USB connection with a USB cable to install the computer sound card driver normally. There is a sound after installation.7. The decoder is connected to the 5.1 input port of the power amplifier through six Lotus RCA cables, and then the power amplifier is switched to the corresponding 5.1 channel input or AC-3 input.8. Finally, connect the 12V/1A power adapter to the decoder power input, and then insert the adapter plug into the power socket.Note: PRO version supports BLE mobile APP control function.