L7 HiFi Bluetooth 5.0 Receiver DAC Stereo Audio Preamp USB Music Player FM Radio Headphone Amp Supports U-Disk SD Hard Disk
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Specifications
- Brand Name
- ERZHOU
- Content
- AUDIO
- Origin
- Mainland China
- Interface
- 3.5 MM, USB
- Wireless Type
- Bluetooth, FM
- High-concerned chemical
- None
- WIFI Standard
- None
- Certification
- None
- High Definition Support
- None
- Sound Track
- Double
Product Description
Features:
(1)With 6 kinds of audio input (Bluetooth 5.0 / USB & U-disk / stereo RCA / AUX / SD card / FM radio) and 2 kinds of audio output (stereo RCA / 3.5mm headphone jack), compatible with different audio devices and such as phone, computer, CD player, Echo Dot and so on.
(2)Can be used as a Bluetooth or USB DAC, a preamp, a headphone amp and a FM radio, but also as a digital music player, supporting lossless format such as APE, FLAC, WAV, MP3, WMA, DTS etc, providing HiFi listening experience.
(3)Op amp circuit adopting NE5532 chip, with strong drive power, better sound quality and warm sound listening. Noise reduction circuit is specially designed to upgrade the sound and make no background noise.
(4)Mini size and simple design but with powerful function, blue digital display looks more attractive, equipped with remote control, very convenient to use. Powered by micro-USB, it can be used in the car, bringing listening pleasure during the journey.
Parameters:
Audio Input: Bluetooth, USB, SD card, AUX, stereo RCA, FM radio
Audio output: stereo RCA, 3.5mm headphone jack
U-disk/SD card supported format: APE, FLAC, WAV, MP3, WMA, DTS
Working voltage: DC 5V
FM band: 87.5-108MHz
Power interface: Micro-usb
Chassis material: aluminum alloy
Dimensions(W*L*H): 92*108*38mm / 3.62*4.25*1.49in
Net weight: 256g / 0.56lb
Package weight: 410g / 0.90lb
Package Includes:
1 x Audio Player
1 x Remote Control(without battery)
1 x Bluetooth Atenna
1 x FM Antenna
1 x USB Cable
Pros & Cons
Pros
- Multi-functional design with 6 input and 2 output options for versatile use
- Bluetooth 5.0 connectivity for stable, reliable wireless audio transfer
- Supports USB drive, SD card, and FM radio playback for standalone use
- Compact size that fits seamlessly into most home audio setups
Cons
- No official safety or quality certifications listed for the device
- Partial product description cuts off, missing power requirement details
- No built-in battery, requiring a constant power source for operation
- No high-definition audio support per product specifications
Common Questions
What connectivity and interface options does this audio receiver have?
It supports Bluetooth 5.0, USB, RCA, AUX, SD card, and FM radio inputs, plus stereo RCA and 3.5mm headphone outputs.
What audio devices is this receiver compatible with?
It works with smartphones, computers, CD players, Echo Dot, and most other standard audio devices.
What core functions does this Bluetooth audio receiver provide?
It acts as a wireless audio receiver, USB music player, FM radio, and stereo audio preamp for flexible audio setup.
What is the form factor of this audio receiver?
It is a compact, handheld device that fits easily into home or on-the-go audio setups.
Where is this product manufactured and shipped from?
This product originates from Mainland China and ships from that region.
Product information last updated on January 26, 2026