SPECIFICATIONS

Bluetooth: Yes

Body Material: aluminum

Brand Name: S.M.S.L

Built-in Battery: Yes

DAC Model: CS43131

DSD (Direct Stream Digital): Yes

Dimensions (WxHxD): 185*42*219mm

High-concerned chemical: None

Input Type: USB,OPTICAL,LINE IN (AUDIO IN),RCA,HDMI-Compatible

Model Number: SMSL AO300 PRO

Origin: Mainland China

Output Type: USB,COAXIAL,OPTICAL,Balanced Out

PCM: Yes

Package: Yes

Recommended Headphone Maximum Impedance: 251 - 300 Ohm

Signal To Noise Ratio: 107dB

Type: Home Amplifier

WIFI: No

SMSL AO300 PRO High-End DAC/AMP with High-Fidelity Cirrus Logic CS43131 Decoding Chip & 4.4mm and 6.35mm Headphone Outputs

Features

768kHz/32bit PCM and DSD256 Decoding Support

High-Fidelity Cirrus Logic CS43131 Decoding Chip

Multiple Input/Output Options: USB, Bluetooth, Optical, Coaxial, HDMI (eARC), RCA

MQA Decoding Support, Fully Compatible with Mainstream Audio Codecs

4.4mm and 6.35mm Headphone Outputs

Built-In High-Power Class D Amplifier

High-End Audio Performance with Versatility

The SMSL AO300 PRO is a versatile, all-in-one audio device that combines high-end decoding, headphone amplification, and power amplification in a single unit. With support for 768kHz/32bit PCM and DSD256 decoding, and equipped with the Cirrus Logic CS43131 decoding chip, the AO300 PRO delivers exceptional audio performance. Whether used for headphone listening or powering a speaker system, it provides clear, accurate, and immersive sound quality across various audio sources.

Versatile Connectivity for Every Need

SMSL AO300 PRO is equipped with a wide array of input and output interfaces, including USB, Bluetooth, Optical, Coaxial, HDMI (eARC), and RCA, offering seamless compatibility with multiple devices. Whether connecting to a computer, phone, or TV, AO300 PRO adapts effortlessly to different setups, providing a flexible, multi-scenario solution for your high-fidelity audio needs.

Premium Cirrus Logic CS43131 Chip for Clear Sound

The AO300 PRO features the Cirrus Logic CS43131 decoding chip, which utilizes high-resolution decoding technology to produce more detailed and natural sound reproduction. Its low power consumption design ensures consistent performance even during extended listening sessions, delivering clear, detailed audio without distortion. The AO300 PRO excels at both streaming music and playing high-resolution audio files, offering superior sound quality compared to similarly priced products.

Powerful Amplification for Dynamic Sound

The Infineon MA5332MS high-end amplifier module integrated into AO300 PRO provides robust power output, capable of driving mid-to-high-end bookshelf speakers or floorstanding speakers. With a Class D amplifier that ensures high-fidelity sound and low Total Harmonic Distortion (THD+N as low as 0.003%), the AO300 PRO delivers clear, precise audio with powerful dynamic range. It’s perfect for both personal listening and for powering a home audio system.

MQA Support for Hi-Res Audio

The AO300 PRO supports MQA decoding, allowing users to enjoy high-resolution audio with the finest detail and quality. It decodes MQA files through the USB input, providing an optimal, lossless music experience. With support for full PCM and DSD sample rates, the AO300 PRO can handle a wide range of audio sources and bring out the full potential of your high-res music library.

All-in-One Solution for Audiophiles

As an all-in-one DAC, headphone amplifier, and power amplifier, the SMSL AO300 PRO offers unparalleled convenience and versatility. Simply connect your source device (such as a phone, computer, or TV) and your headphones or speakers, and enjoy high-quality audio instantly. Whether you're using it for home Hi-Fi setups or for personal headphone listening, the AO300 PRO delivers top-tier performance for audiophiles and casual listeners alike.

Specifications:

Model: SMSL AO300 PRO

Input：HDMI(eARC)/RCA/BT/USB/Optical/Coaxial

THD+N：0.003%

SNR：107dB

Channel separation：98dB

Input Sensitivity/lmpedance：280mV/22kΩ

Output Power：stereophonic 165Wx2(42)/85Wx2(8Ω)

USB transmission：Asynchronous Transmission

USB compatibility：Windows 7/8/8.1/10/11,Mac OSX, Linux

MQA decoder：USB

Power Consumption:40W (Normal Volume)

Size:219X42X185mm(WxHxD)

Weight:1.499kg/3.3lbs