Description

 

Features:
Full Functional Coverage, Surpassing-Grade Decoding
* Immersive authenticity, fully unleashed listening experience
* Achieve a qualitative leap in your audio quality

UOTANG MT909 Digital Audio Player & Decoder
* Hard Drive/U-Disk Lossless Playback
* Bluetooth 5.0 Wireless Connection
* ES9039 DAC Architecture, Time Domain Jitter Eliminator
* 2×RCA & Balanced Output
* Optical/Coaxial & USB-PC Input
* Native Hardware Decoding for DSD512 & PCM 32BIT
* Multiple High-Grade Op-Amps: OPA1642 + OPA2604
* XU316 USB Digital Interface for XMOS
* Convenient Dual Control: Mobile APP + Remote Control
* Ultra-Low Distortion THD+N
* OTG High-Resolution Transmission for Mobile Phones & Pads
* Full Volume Control Output, Directly Connectable to Power Amplifier

Comprehensive Function Coverage and Massive Performance Upgrade
* MT909 - full refresh of functions & listening experience
* With comprehensive function coverage and superior decoding capability, MT909 becomes your premium audio source upgrade choice
* Built on audiophile-grade component configuration, centered on a well-matched decoding and operational amplifier solution
* It delivers superior decoding performance to bring a qualitative leap to your audio quality
* Compatible with U-disk, hard drive, Bluetooth, mobile phone, computer and more for wide functional coverage
* It supports nearly all mainstream functions of Hi-Fi audio sources (except CD playback)
* The mature ESS9039 + decoding for XMOS and operational amplifier solution greatly boosts overall performance
* Dual control via mobile APP and remote control enables effortless operation
* Diverse input and output systems support multi-path transmission of audio signals
* High-Quality Input System: Bluetooth 5.0, Lossless USB, Coaxial, Optical, USB-PC
* Complete Output System: 2×RCA Analog Output, Balanced Output, Full Volume Control Output
* Rich and comprehensive input and output options make it widely compatible with all types of your audio equipment
* The decoding chip features 32Bit/384Khz sampling precision and a signal-to-noise ratio up to 129dB
* Total harmonic distortion as low as -120dB, supports decoding of 384k PCM and DSD512
* Supports OTG connection playback with mobile phones, allowing your phone to serve as an ultra-high-resolution audio source device
* USB-PC interface support enables external sound card decoding for computer audio
* Global output volume control allows it to work as a preamplifier and directly connect to post-stage power amplifiers
* Dual Rectifier Design: Separated rectification for input & output; Separated rectification for digital & analog circuits
* High-precision crystal oscillators output ultra-accurate clock frequencies, equipped with multiple audiophile-grade operational amplifiers
* Independent relay protection for each audio channel safeguards the audio output of the decoder
* Unified visual matching exterior design for all products under the UOTANG brand system
* MT909 strictly optimizes every performance and functional parameter
* MT909 delivers precise decoding and a full spectrum of functions. It stands as an outstanding representative integrating cutting-edge technology and premium quality within the UOTANG product line.

Deliver a Qualitative Transformation to Your Audio Quality
* The one-stop premium choice for your Hi-Fi audio source
* This Hi-Fi grade UOTANG MT909 digital audio player and decoder adopts the unified coordinated appearance design of all products under the UOTANG brand system, blending technological aesthetics with premium texture.
* It inherits UOTANG's home-oriented design philosophy, being developed around two core demands: functional usability and superior performance, to satisfy your various Hi-Fi audio source usage scenarios from multiple dimensions.
* In terms of functionality, the MT909 is equipped with comprehensive input and output interfaces to remove restrictions on your audio signal transmission. Except for CD playback, it supports nearly all mainstream Hi-Fi audio source usage scenarios. Meanwhile, it features dual control via remote controller and mobile APP for more convenient operation.
* For decoding performance, the MT909 utilizes chips and operational amplifiers with advanced specifications in sampling precision, signal-to-noise ratio, total harmonic distortion and other metrics to conduct physical hardware decoding. With carefully arranged circuit layouts and premium component selections across all modules, the MT909 reproduces richer sound details and authentic timbre, fully safeguarding your audio quality. It pairs best with high-end Hi-Fi power amplifiers and audio systems, as entry-level devices may fail to unlock its full outstanding performance potential.
* We avoid obscure technical jargon, and simply present the MT909's dual strengths in functions and performance in plain language. Whether you intend to upgrade your existing audio source or seek a one-stop premium audio source from scratch, the MT909 is a high-end Hi-Fi audio decoder worthy of your purchase.
* The MT909 stands out as your upgrade pick for Hi-Fi audio source devices, thanks to its full-range function coverage and breakthrough superior decoding capability.

Precise & Accurate Decoding, Purify Audio At The Source
* Comprehensive full-featured functions, one unit for multiple purposes
* The MT909 delivers source-purified decoding performance: Built upon audiophile-grade component configuration, centered on a well-matched decoding and op-amp coordination scheme. It achieves breakthrough superior decoding to bring a qualitative leap to your audio quality
* The MT909 realizes multi-purpose utility through abundant practical functions: It supports nearly all mainstream functions of Hi-Fi audio sources (except CD disc playback)
* Diverse input and output interfaces enable flexible transmission of all types of audio signals

A Meticulously Crafted Upgrade Choice For Your Audio System
* This Is A Deeply Refined Masterpiece Of Audio Equipment Developed By Our Team And Me
* The mature ESS9039 + decoding for XMOS and op-amp coordination solution greatly boosts overall performance. Compatible with U-disk, hard drive, Bluetooth, mobile phone, computer and more for full-range function coverage. 
* Dual control via mobile APP and remote controller lets you operate the device with effortless taps
* Unified coordinated exterior design across all UOTANG brand products delivers extraordinary visual appeal

Exquisitely Restored Sound Details, Authentic And Sincere Sound Reproduction
* Achieve a qualitative transformation to your audio quality
* Adopts dual rectifier design with separated rectification for digital and analog circuits to eliminate mutual interference and improve channel separation
* Equipped with high-precision crystal oscillators to generate accurate clock frequencies, synchronizing audio output and decoding processes
* The MT909 reproduces ultra-fine sound details
* Features 32-bit HyperStream II DAC architecture and time-domain jitter eliminator
* It delivers a dynamic range up to 129dB and total harmonic distortion as low as -120dB
* The MT909 recreates immersive, live-like sound authenticity
* They also form the solid foundation for transmitting superior audio signals to your power amplifier

Full Coverage of Hi-Fi Audio Source Functions
* The MT909 supports nearly all usage modes and functions except CD disc playback. While maintaining its core performance, it is equipped with abundant practical and user-friendly functions.
* High-Grade Receiving System: Bluetooth 5.0, Lossless USB, Coaxial, Optical, USB-PC
* Complete Output System: 2×RCA Analog Output, Balanced Output, Full Volume Control Output
* Convenient Dual Control System: Remote Control + Mobile APP Control

Refresh Your Listening Experience With Rich Sound Details And Authentic Timbre
* The MT909 adopts the ESS9039 decoding chip, with a sampling precision of 32Bit/384Khz. It features a signal-to-noise ratio up to 129dB and total harmonic distortion (THD+N) as low as -120dB.
* Moreover, it supports native hardware decoding of 384k PCM and DSD512 formats.
* Matched with 2 pieces of OPA1642 op-amps plus one OPA2604 op-amp, it forms an excellent coordinated solution of decoder and operational amplifiers.
* The abundant sound details and authentic timbre it creates deliver immersive and fully unlocked genuine listening experience.

High-Resolution and Wall-Penetrating Bluetooth
* The UOTANG MT909 decoder supports multiple mainstream Bluetooth transmission protocols. It achieves wide compatibility and connection with mobile phones, tablets, CD players, power amplifiers, computers and more devices.
* It supports a maximum resolution of 16bit depth and 48kHz sampling rate. It enables Bluetooth 5.0 transmission for your power amplifiers, active speakers, mixing consoles and other audio equipment.
* Humanized functions include automatic Bluetooth connection and automatic memory of multiple paired Bluetooth device names.
* Equipped with a high-gain Bluetooth antenna, it delivers wall-penetrating Bluetooth signal capability.
* It supports multi-room wall-crossing signal coverage for more stable transmission and lower signal loss.

Lossless USB, Supports U-Disk/Hard Drive Playback
* Master tap grade audiophile Hi-Fi sound quality
* Powerful reading and playback capability, enabling free playback of massive lossless audio files stored in your hard drive.
* Through fully coordinated hardware decoding workflow: Direct USB Read → DAC Hardware Decoding → Op-Amp Output
* The MT909 delivers digital reading and parsing performance nearly comparable to master tape equipment.
* Supports lossless formats including WAV, APE, FLAC, WMA and more, as well as folder management.
* Max support for 24Bit/48kHz stereo lossless format decoding and playback.
* Dual convenient operation modes: Song selection via Mobile APP + Song selection via Remote Control
* Supports U-Disk up to 256GB
* Supports Hard Drive up to 2TB
* Folder browsing supported

Mobile APP + Remote Controller Ultra-Convenient Control System
* Mobile APP Control: Deeply optimized for ease of use to realize smarter control. After connecting the MT909 via Bluetooth through the mobile APP (download Bluetooth Toolbox),
you can freely select and control tracks on your phone. Play any songs stored in U-disk or hard drive on demand, and support selecting tracks from categorized music folders of various genres. (iOS systems do not display folder lists, but all songs inside folders will be fully shown.)
* Remote Controller Control: The MT909 comes with a dedicated remote controller for convenient remote operation. Most playback operations can be completed directly on the remote controller: Audio source switching/digital track selection/single track repeat/all tracks repeat/folder repeat/shuffle playback, etc.
* The ultra-convenient dual control system of MT909 lets you freely select and play all your audio tracks as you wish.

Mobile OTG Connection Playback Turns Your Phone Into An Ultra-High-Resolution Audio Source Device
* This is an excellent wired connection solution for linking mobile phones or tablets to the decoder. (Your mobile phone/tablet can function as an internet-connected device to play local music stored on itself.) It solves the issue of lossy audio transmission when playing ultra-high-resolution audio on portable devices such as phones and tablets. It delivers superior sound performance and quality compared to traditional transmission modes including wireless Bluetooth and headphone jack.
* Connect your mobile phone to the MT909's USB-PC interface via a OTG cable. It conducts bottom-layer hardware decoding for audio files stored on your portable device, turning your phone into a digital transport. It satisfies audiophiles' demand for high-quality decoded audio output when playing music via mobile phones or tablets.
* Multi-system compatibility: Supports HarmonyOS, iOS, Android and other mainstream mobile operating systems. Supports multiple audio sampling rates, including PCM 384kHz and DSD512Fs.

USB-PC Interface & Support: PC USB Sound Card Function
* Equipped with external sound card USB digital interface for XMOS and the 3rd-generation 16-core XU316 chip. Via the USB-PC input port, your computer audio can be decoded by this external sound card. It easily connects your PC with the DAC chip to deliver bottom-layer hardware decoding for ultra-high-resolution audio, supporting decoding and transmission of DSD and PCM high-resolution audio formats.
* The MT909 outputs high-fidelity audio signals and can serve as an external sound card for computers. It remedies the drawback that built-in PC sound cards cannot process high-definition audio decoding, meeting audiophiles' demands for premium decoded audio output when playing music via computers.
* Compatible with multiple computer operating systems: Windows, Mac OS X, iOS, Linux, Android platforms are all supported. Supports a full range of audio sampling rates, including PCM 32Bit/384kHz and DSD512Fs.

High Sampling Rate Decoding For DSD And PCM
* DSD and PCM store digital audio signals at sampling rates higher than standard CD formats, delivering far superior sound performance. Thanks to the ultra-high sampling count, the reproduced audio waveform becomes extremely smooth, closely matching the analog waveform of the original sound.
* It also achieves ultra-low quantization noise and an exceptional signal-to-noise ratio, making playback sound much more authentic to the source recording. 
* DSD (Direct Stream Digital): Supports DSD 512Fs (Not available for U-Disk playback)
* PCM (Pulse Code Modulation): Supports PCM 32Bit/384Khz (Not available for U-Disk playback)

Simplicity Mastering Complexity
* More Streamlined, More Modern Youthful Style
* UOTANG Brand Black & Gold Color Scheme: Blends technological texture and fashionable aesthetics
* Exquisite Matte Surface With Superior Tactile Feel

Full-Range Volume Control For All Outputs (Usable As A Preamplifier)
* The UOTANG MT909 adopts software-based control over the DA decoding chip. It delivers full coverage volume control for 2 groups of RCA outputs and 1 group of balanced outputs. 
* It can be directly connected to a power amplifier without sound quality degradation even at low volume levels.

Balanced Output With Lower Distortion - Effective Anti-Interference For Purer Sound
* Equipped with Hi-Fi grade standard XLR balanced output connectors, a hallmark of high-end decoders. It expands sound dynamic range, lowers background noise, and produces fuller, clearer and purer audio. It also excels at reproducing subtle sound details.

Separated Rectification For Audio Input & Output
* Dual rectifier design features separated rectification for input & output circuits, as well as separated rectification for digital & analog circuits.
* The circuits operate without mutual interference, improving separation of delicate sound details.

Comprehensive Full Set Of Input & Output Interfaces
* Compatible with your wide range of audio equipment
*  Achieve input and output connections with numerous devices via assorted connecting ports and cables.
* Compatible device list: Mobile phones, desktops, laptops, tablets, televisions, projectors, power amplifiers, preamplifiers, DVD players, CD players, active speakers, subwoofers, U-disks, hard drives and more.

Full Functional Coverage, Surpassing-Grade Decoding
* Immersive authenticity, fully unleashed listening experience
* Deliver a qualitative leap to your audio quality

More Details:
The MT909 With High-Precision Voltage Regulation Maintains Stable Current Supply
* Electricity is the foundation of sound. The MT909 adopts high-precision three-terminal voltage regulation to guarantee steady current across the whole unit, delivering rock-solid sound performance.

High-Quality Crystal Oscillator Outputs Ultra-Accurate Clock Frequencies
* The clock crystal oscillator supplies fundamental clock signals for the entire device system. It enables synchronized operation of audio input, decoding and output modules, revealing every subtle sound detail and achieving perfect audio synchronization.

Three Audiophile-Grade Operational Amplifiers With Interchangeable Design
* Matched with the ESS9039 decoding chip, the circuit employs 2 pieces of OPA1642 plus 1 piece of OPA2604 op-amps, forming an outstanding coordinated solution of decoder and operational amplifiers.

Overload Protection Relays As Audio Output Safeguard
* Independent relay protection is deployed for each audio channel to secure the audio output of the decoder, and fully protect the input circuit of your power amplifier.

Remote Control With Smooth Button Texture, Instant Response
* Boasting premium texture and comfortable hand grip, it supports long-distance infrared remote control. The buttons feature delicate tactile feedback and rapid response, with comprehensive built-in functions for effortless operation.

Large Clear Status Display Screen With Minimalist Layout For Instant Readout
* The exquisite display screen is seamlessly integrated into the front panel housing. The high-definition LED screen shows real-time working status data, letting you fully grasp the decoder's operating conditions at a glance.

Specifications:
* Overall Dimension: Width 330mm x Depth 250mm x Height 65mm (Including Base)
* Bluetooth: Version 5.0 (Supports APP Connection & Control)
* USB: Max support for 256G U-Disk, 2T Portable Hard Drive
* USB-PC: XU316 3rd Generation for XMOS
* Net Weight of Unit: 2.6 KG
* Input Interfaces: USB-PC (Computer/Mobile Phone/Pad), Coaxial Input, Optical Input
* Output Interfaces: 2 × RCA, 1 × Balanced Port
* Sampling Rate: Max support for 32Bit/384KHz, DSD512Fs (Not supported by U-Disk playback)
* THD+N: -120dB
* Dynamic Range: 130dB
* Output Impedance: 16Ω — 300Ω
* Signal-to-Noise Ratio: 130dB
* Output Level: 3.6V

Packing List:
* 1 x Set of Decoder

Packaging Details:
* Package Dimension: 400mm x 340mm x 160mm
* Package weight: 3.6kg