The BRZHIFI DT03 is a specialized digital 5.1-channel preamplifier and audio decoder designed to build high-fidelity surround sound systems or upgrade home theaters. It decodes digital surround formats into discrete analog outputs and features lossless playback via multiple wired and wireless inputs.

 

 

Professional sound effects are clear and moving

 

This device can convert stereo music signals output from dual channel regu. lar stereo signals or Dolby directional logic, DVD (AC-3 encoding) into 5.1channel outputs such as front left FL, front right FR, center C, surround left SL, surround right SR, and subwoofer SW, and can switch between multiplemodes and dierent audio sources. Multi scenario applicability, popularizing the skills of professional sound engineers to every user, providing pre-cise multi-level equalization and reverberation tuning, meeting your de-manding auditory needs like a song every year!

 

Core Specifications:

• Core Processor: QS7785PF (a high-performance single-chip surround sound processing IC).
• Output Channels: 5.1 (Front Left, Front Right, Center, Surround Left, Surround Right, and Subwoofer).
• Frequency Response: 10 Hz-20 KHz ± 1 dB.
• Total Harmonic Distortion + Noise (THD+N): 0.01%.
• Maximum Output Level: 3.3V.
• Subwoofer Center Frequency: 65Hz.
• Magnification: 2.4X for L/R/C/SL/SR channels, 4X for Subwoofer channel. [1, 2, 3, 4]

 

Inputs & Connectivity

• Wireless: Lossless 5.0 Bluetooth module for streaming from mobile devices and PCs.
• Digital Wired: Optical (Fiber Optic) and Coaxial inputs for pristine digital audio transmission.
• Storage: USB port supporting U-Disks up to 128GB.
• Analog: AUX input.
• Supported Lossless Audio Formats: MP1, MP2, MP3, WMA, WAV, APE, and FLAC.

 

 

Design & Build

• Chassis: Compact metal casing for electrical shielding and durability.
• Dimensions: Approximately 32 mm × 195 mm × 98 mm.
• Weight: 142g

 

• Practical Use Cases:
• Home Theater Upgrades: Ideal for extracting and converting Dolby Digital (AC-3) or DTS signals from modern media players (like Apple TV or Fire TV) into 6 discrete analog outputs for legacy 5.1 amplifiers.
• Bluetooth Streaming: Upgrades older multi-channel speaker setups to support wireless mobile playback

 

Technical Information:

BRZHIFI 5:1 Channel Decoding Audio Player.

Technical Information:

Model: DT03

Maximum Output Level: 3.3V

Frequency Response: 10Hz-20KHz/+-1dB

THD+N: 0.01%

Magnification (L,R,C,SL,SR):2.4X

Magnification Sub: 4X

SW Center Frequency: 65Hz

Input: Bluetooth/USB/Optical/Coaxial

AUX Lossless Format Support: MP1, MP2, MP3, WMA, WAVAPE, FLAC

USB Capacity Support: 128GB

U-Disk Factory F Card Sampling Rate: 44.1 ~ 48Khz, 24Bit

Output Channel: 5:1 Channel

Product Dimension: 32X195X98mm

Weight: 142g