AT-300 is a professional theater & music center integrated audio-video decoder for 9.3.4 setup. It's developed and designed by engineers recognized by American THX company. It supports 4K decoding and is Dolby Atmos, DTS:X & HDMI2.0 certified. As a multi-functional processor, it can be used for houses, cinemas and theaters for immersive 3D Hi-Fi 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.

9.3.4/ 7.3.6 Decoder for Immersive Sound Effect

It will transport you with breakthrough, spatial & realistic audio experience and bring you a deeper connection to music & images.

Professional Chips for Professional Decoding

It adopts professional chips with high quality, great performance and functioning for stable decoding.

Video Processing

*Panasonic MN864788 chip for HDMI inputs & outputs.

*Up to 32-bits input.

*RGB 4:4:4/YUV 4:4:4 color decoding.

*3840x2160 4K/60Hz HD video format.

*OSD layer menu for consistent display during setting.

DSP Digital Signal Processing

ADSP 21573, the 4th SHARC floating-point processor from Analog Devices, handles the decoding process of Dolby Atmos & DTS: X and the creation of virtual surround and wides.

Audio Processing

Two Cirrus Logic CS42528 audio processors and an ADSP 21573 floating-point processor work together to adjust the frequency response curve, timbre and sound effect, which ensure the separation of sound field and coherence of surround.

4K for Life-Like Vison

18 Gbps data transfer speeds and 3840x2160 4K video decoding bring better contrast and brightness. It also handles HDMI2.1, HDCP2.2 and is compatible with HDR series formats.

HDMI 6 in & 2 Out & eARC

The eARC simplifies connectivity and provides greater ease of use for multiple components discovery and brings enhanced audio detail and depth.

Original Easy Test EQ Room Calibration

Get into the EQ testing with the professional microphone ETM-2.

The Mic will capture the sound information and transfer it to the amplifying part to automatically equalize parameters of each channel. Close balance of all channels will bring better sound effect.

Auto-measure of the distance between speakers and seating position.

Auto-adjustment of delay & sound pressure level.

Auto-calibration of speaker frequency response.

Compensation between full-range channel & bass.

Onscreen EQ calibration

Several bands of parametric EQ already set; 11 bands parametric EQ for left, right and center speaker; 5 bands parametric EQ for surround, top and bass channels. Get the EQ calibration done onscreen without complicated PC testing.

Stored Setting Data

All input group owns separate EQ & sound effect setting. The already set EQ data will be saved and accordingly match each group of input.

Multiple Setups for Different Rooms

It can be used as 2.0, 2.1, 5.1, 5.1.2,5.1.4, 7.1, 7.1.2, 7.1.4 setups to match environmental features of different rooms.

Volume S2/10/2024torage, Customer-Friendly Design

Separate volume settings for each channel, on-off sound, microphones, the music volume limitation. This considerate design will offer your wanted setting data when the machine is on.

Customized EQ Data Saved for Long-Term use

Save your setting data to use it at will. The update or factory reset procedure will not eliminate the saved setting data. One-time setting for long-term use.

RS232 Protocol

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

Separate AV Matrix Subgroup

One-click for audio-video synchronization.

OSD English Menu

Simple OSD menu with clear options for fast setting. User friendly.

Lossless Music Formats

Support 128G USB disk, TF card & APE, FLAC, WAV, MP3, WMA.

15-meter Bluetooth Transmission

High-speed & stable, low distortion, energy consumption & latency. Easy connectivity and auto re-connectivity. Switch any music apps and platforms you want.

Original APP Control

Original music playing center and management interface. Multi-level folder management. Song lists of USB disk and TF card on screen.

Easy Firmware Update

Download the latest version into the USB disk and connect it to the USB port. Reboot the machine and the update is automatically done.

Multiple Connection Options

HDMI 6 in & 2 out, eARC, optical/coaxial input, IR input, USB disk, TF card, PC Audio, Bluetooth, 5V trigger output, RS232 port.

Function of 16ch AV Decoder:2/10/2024

Audio Part:

• Support advanced Dolby Atmos, DTS:X audio decoding, and is backward compatible with all HD audio format decoding including Dolby True-HD, Dolby Digital Plus, DTS Master, DTS HI RES, etc
• Support audio and video matrix grouping
• HDMI 2.0 6 inputs and 2 outputs; each input group is independently matrix subgroup matched.
• Smart room calibration acoustic test
• OSD English menu; 5 band (bass) + 11band (full frequency channel) of EQ adjustment
• Independent adjustment of each input group EQ
• Up to 1000 millisecond lip synchronization
• Low-frequency management: independent adjust the crossover and slope of front, centre, surround, rear, sky channels; bass enhancement
• Speaker layout: 5.1, 5.1.2, 5.1.4, 7.1, 7.1.2, 7.3.4, 7.3.6, 9.3.4, etc
• 9.1.4 fully balanced output and 9.3.4 RCA output
• Support Bluetooth wireless transmission
• Support USB disk, TF card local music playback
• USB Audio port for PC digital audio input
• Support HDMI 2.1 eARC
• Support 2 optical, 2 coaxial, 3 stereo audio inputs
• Support DRC dynamic range compression processing

Video part:

• HDMI 2.0 6 in and 2 out; support audio and video matrix subgrouping
• Support 3D, 4K Ultra HD video transmission and processing, and is compatible with all backward video formats
• Support Dolby-Vision
• Support HDR10, HDR10+
• Support HLG Hybrid Log-Gamma
• OSD on-screen English menu
• Support HDMI CEC
• Support management of HDMI outputs

Additional Functions:

• Support RS232 protocol
• One button to adjust common-use function
• Support IR extension (IR extender (without independent power) is not included)
• Support 5V trigger
• Support standby pass-through
• Support HDCP2.2 protocol
• Support Mobile APP control
• Support lock for stored parameter
• Support parameter backup
• Support one-button factory settings
• Support personal parameter setting and saving

Specifications:

• Model: AT-300
• Channel: 9.3.4/ 7.3.6
• Channel separation: >80dB (analog direct)
• Rated Input Inpedance: 20kΩ (analog input)
• Rated Output Inpedance: 1kΩ
• Crosstalk: ≥80dB (analog direct)
• Input level: ≥2VRMS (analog direct)
• Gain: ≥14dB
• Dimension: 431x100x326mm (WxHxD)
• THD: ≤0.02%(1kHz, normal working)
• Accessories: manual x1, power cord x1, certificate x1, remote control x1, HDMI 4K cable x1
• Frequency: 10Hz-50kHz(+1/-3dB, analog direct)
• Power Voltage: ~100V-~240V(50Hz-60Hz)
• SNR: ≥98dB (A weighted, analog direct)
• Default volume range: The default volume range is 0-80. Actual gain mode: "-65-15" (-65 to + 15)