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Descripción del producto

Class D Amplifier MA5332MS Headphone Amplifier DAC CS43131 2x165W 4Ω 32bit 768kHz DSD256 MQA

Experience dynamic and immersive sound with an impressive 165W x 2 (4Ω) and 85W x 2 (8Ω)output power, delivering high-quality audio reproduction.

HDMI ARC input port and subwoofer output
SMSL has integrated an HDMI ARC input port, so you can enjoy with your TV as the audio source. and a subwoofer output to transform your Hi-Fi installation into a 2.1-channel system and obtain an immersive rendering with active subwoofer. AO300 can therefore be used as a small home-cinema amplifier.

MA5332MS amplification chip
The MA5332MS is a Class D stereo amplifier chip. This MCM (multi-chip module) solution integrates 4 MOSFET transistors. It enables the A0300 to deliver power up to 2x165W under 4Ω and 2x85W under 8Ω.
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DAC+HPA+AMP
SMSL AO300 MA5332MS Power Amplifier & Headphone AMP & Decoder
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High-end components for high performance
CS43131 DAC chip
The Cirrus Logic CS43131 chip is a DAC chip integrating a low-noise, high-fidelity headphone amplifier. In fact, this chip is capable of driving audiophile headphones with an impedance of 600Ω and an output power of 5mW per channel. With a 32Ω load, it delivers 32mW per channel.
XMOS XU6316 USB interface
The AO300's USB-C input is complemented by XMOS's flagship XU316 interface. This enables it to support high-resolution audio streams up to PCM 32bit 768kHz and DSD up to DSD256.
Bluetooth functionnality
AO300 features a Bluetooth receiver chip and supports high-resolution codecs such as aptX HD and LDAC. So, you can easily enjoy audio sources like your smartphone for remote use.
MQA Support
The AO300's optical Toslink and coaxial inputs support MQA and MQA-CD (Master Quality Authenticated) streams, thanks to an MQA decoder for the richest, most detailed sound reproduction possible. This amplifier/DAC therefore offers the possibility of enjoying professional audio quality, with retransmission as close as possible to the original sound recorded and processed in the studio.
Remote control
The AO300 comes with a full-featured remote control. It includes basic play/pause/previous/next functions, volume control, as well as menu access and source selection.
Product type | Amplifier /DAC /Headphone amplifier |
DAC chip | CS43131 |
Amplifier chip | MA5332MS |
USB interface | XMOS XU316 |
Inputs | 1* Stereo RCA line input/ 1* Coaxial SPDIF /1* Optical Toslink /1* USB-C/ 1* HDMI ARC/ Bluetooth |
Output power | 2x165W @ 4Ω/ 2x85W @ 8Ω |
THD+N | 0.003% |
SNR | 107dB |
Channel separation | 98dB |
Input sensitivit/ impedance | 280mV / 22kΩ |
USB transmission type | USB 2.0 asynchronous |
USB compatibility | Windows 7/8/9/10/11 Mac OSX /Linux |
Supported sample rates | USB : PCM 32bit 768kHz, DSD256 and MQA/ Optical and Coaxial : PCM 24bit 192kHz, DSD64 (DoP) and MQA-CD |
Power consumption | 40W (with normal volume) |
Dimensions | 219*42*185mm |
Weight | 1.52kg |
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