audio video decoder
audio video decoder
audio video decoder

Tonewinner wholesale home audio video decoder pre amplifier

AD-7300HD is a music, theater & Karaoke integrated audio-video processor. It supports Dolby Atmos, DTS:X, 4K decoding and is compatible with 3D, HDR, Dolby Vision,etc. It supports OSD layer menu, matrix subgroup, auto EQ calibration. It also supports APP control, USB disk, TF card and Bluetooth. As a multi-functional decoder, it’s worthy for home entertainment with immersive sound effect. As a top 10 audio brand in China, Tonewinner has 30+ years experience in designing and manufacturing acoustic products. As an original supplier, Tonewinner always warmly welcomes distributors, partners and customers around the world.

  • Model

  • Channels

  • G.W.

  • THD

  • SNR










7.1.4 Dolby Atmos 4K HD Processor



7.1.4 Dolby Atmos & DTS:X Decoding

More sound details will be presented to make you closely and personally stand in the scene


3D Immersive Sound

With Dolby Surround & DTS Neural:X decoding,

the DSP can present non-Dolby Atmos &

non-DTS:X audio clips with 3D immersive sound effect.



Multiple Speaker Setup

This decoder can eliminate your worry about not having

enough ports for multi-layer speakers. It supports

2.1, 5.1, 7.1, 5.1.2, 5.1.4, 7.1.2, 7.1.4 speaker configurations.

4K Life-like Video Effect

18 Gbps data transfer speeds and 3840×2160 4K video technology bring better contrast and brightness.It also handles HDMI2.1, RGB4:4:4 color decoding for better movie and game experience.

Dolby Vision HDR HLG

More information about a scene will be captured, including a wider variety of colors and more visible details in the highlights and shadows. The shining brightness, contrast and color will bring you better appreciation.

HDMI 6 in 2 out & eARC

HDMI 6 input & 2 output for more connections.

The eARC simplifies connectivity and brings enhanced audio detail and depth.

Lossless Music Formats

Support 128G USB disk, TF card, APE, FLAC, WAV, MP3, WMA for lossless sound effect.

15-meter Bluetooth Communication

High-speed & stable, low distortion, energy consumption & latency.

Switch any music apps and platforms you want.

Original APP Control

Original music playing center & OSD menu. Multi-level folder management. Clear song lists of USB disk & TF card on screen. Compatible with IOS & Android system.

7.2.4 Balanced/Unbalanced Output

Two groups of 7.2.4 output for different rooms and connections. Full balance output can reduce the interference during amplification process. Connected with an amplifier with full balance input ports, it will bring wider dynamic range and purer sound.

Audio-video Matrix Subgroup

Separate subgroup can achieve one-click audio-video synchronization. You can also use the setting function and manually choose any audio channel to match with another video channel.

RS232 Protocol

Connect your smart home devices to the RS232 port and add more fun to your life.

Smart EQ Room Calibration

Get into the EQ testing with the puck Mic T-2. The Mic will capture the sound information and transfer it to the amplifying part to automatically equalize parameters of each channel. Near balance of all channels will bring better sound effect.


Function Catalog

Theater & Karaoke one-click switch

Multiple Karaoke sound effect already set and professional DSP reverberation processing 

English-labeled Remote Control

Clear button label for function like one-click theater & Karaoke switch,

factory reset and lock for stored setting data 

OSD English Layer Menu

Simple OSD layer menu with clear options for fast setting. It’s friendly for new users.

Four-layer immersion gold decoding board

The immersion gold technology can effectively protect metal from oxidation.

The board is responsible for decoding, video signal processing and transmission. 


Function Catalog






Audio and video formats



Support Dolby Atmos,Dolby TrueHD,Dolby Digital,Dolby Digital Plus,Dolby Mat,etc. Support DTS:X、DTS Master、DTS HI RES、DTS ES、DTS NEO6,etc. 

Supported video formats: 4K/60Hz, 2k, 1080p, 1080i and backward compatible with other video formats

Input: Bluetooth, analog, optical, coaxial, U disk, TF card, APP, PC, 6 groups of HDMI2.1 

HDMI support: 4K, 3D, ARC, CEC, standby pass-through


Rated input impedance: >20KΩ

Rated output impedance: 100Ω

Gain: ≥13dB (Analog through)

THD: ≤0.02% (A weight, analog through,1KHz normal work)

SNR: ≥98dB (A-weighted, analog pass-through)

Frequency range: 10Hz-50KHz (+1/-3 dB, analog through)

Crosstalk: >80dB (analog through)

N.W: 5.5kg, G.W: 7.4kg

Power supply voltage: ~100V~240V (50Hz/60Hz)

Overall size: 440x 330x 130mm (WxDxH)

Matching equipment: computers, mobile phones, TVs, projectors, hard disk players, set-top boxes, Blu-ray players, etc.


Applicable venue: living room, bedroom, etc.

Packing accessories: manual x1 ,power cord x1 ,certificate x1 ,remote control x1, HDMI 4K cable x1

≤0.02%(A weight,direct mode,1KHz)
Frequency Response
10Hz-50KHz(+1/-3dB,direct mode)
Rated output impedance
Rated output impedance
100 Ω
Channel separation
≥80dB (direct mode)
>13dB (direct mode)
N.W / G.W
5.5KG / 7.4KG
≥98dB (A weight, direct mode)



Appearance features


AD-7300HD adopts restrained and luxurious elegant black as the main color, and the front panel gleams under the reflection of the light, which is both fashionable and elegant, revealing the dignified and stable style of everyone!

  • Support Dolby Atmos, Dolby True-HD and backward compatible with all Dolby audio encoded files.
  • Support DTS:X, DTS-Master and backward compatible with all DTS audio coding files.
  • Support HDCP2.2.
  • Support 4K/60Hz, RGB 4:4:4, 18GHz full bandwidth HD video signal.
  • Support Dolby Vision and HDR 10 high-definition video signals.
  • Support more than 10 speaker configurations from 2.0 channel to 7.1.4 channel; easily experience the three-dimensional sound effect of the environment.
  • Support 7.2.4 decoding output, fully balanced output.
  • Built-in bluetooth digital audio receiver, support bluetooth transmission.
  • Support HDMI 6 in 2 out, optical fiber, coaxial, USB, analog input, everything is available.
  • Built-in audio and video independent matrix grouping to achieve internal mutual editing and external access.
  • One-key switch shadow/K mode.
  • Automatic test and compensation of room EQ, speaker distance, delay, sound pressure, one-button operation, automatic correction, and support for user manual personal adjustment.
  • Professional karaoke reverberation technology, frequency shifting and anti-howling function.
  • Built-in high-quality music player. support TF card and U disk audio file playback, support FLAC, APE, WAV, MP3 and other lossless and lossy compressed audio formats.
  • Support mobile APP operation.
  • Full Chinese superimposed OSD screen display menu.
  • Support RS232 intelligent control connection.

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Leave A Message
If you’re interested in our products or have any suggestions, please leave a message here, and we’ll contact you as soon as possible.