MQA_HPM_CS131: MQA_HPM_CS131 Portable Decoding Headphone Amplifier

Params

Type	HIFI Decoder (Portable Tail)
Main Controller	XU316-1024-QF60B-PP24
Flash	UC25WQ16
Audio Crystal Oscillator	Active Crystal Oscillator @ 22.5792MHz & 24.576MHz
Main Clock Crystal Oscillator	Passive Crystal Oscillator @ 24MHz
Total Harmonic Distortion + Noise	0.0006% (60mW@32Ω)
Signal-to-Noise Ratio	123dB
Frequency Response	Less than 0.1dB (within 20Hz~20kHz range)
Standby Noise	1.017μV
Drive	60mW@32Ω
Power Supply	USB Type-C@5V
Power Consumption	5V@103mA
Dimensions	50mm x 16mm x 6mm
DAC	CS43131

Features

MQA_HPM_CS131 utilizes XMOS's UAC 2.0 asynchronous transmission mode, offering bit-perfect audio jitter reduction. By using MQA_HPM_CS131 with a Type-C connection between smartphones and headphones, users can enjoy high-quality Hi-Res music on the go without sacrificing portability.

Full MQA

MQA (Master Quality Authenticated) is a groundbreaking audio technology that enables music enthusiasts to receive master-quality recording streams, obtaining the highest quality audio with minimal space/bandwidth.

MQA_HPM_CS131 employs MQA technology to receive and decode MQA audio and supports full MQA decoding, enabling maximum restoration of master-quality audio, unfolding up to 384kHz sampling rate.

Hi-Res Audio Quality

In addition to full MQA decoding, MQA_HPM_CS131 supports various Hi-Res audio stream formats, up to PCM 32bit/384kHz, Native DSD 256.

Moreover, MQA_HPM_CS131 uses the CS43131 as its DAC chip, achieving a signal-to-noise ratio of 123dB, with a drive capability of 60mW

XMOS Main Controller

MQA_HPM_CS131's main controller uses XMOS's latest chip XU316-1024-QF60B-PP24, which offers 16 Logical Cores and a speed up to 2400MIPS. It supports full MQA decoding, UAC2.0 asynchronous transmission, and employs an independent crystal oscillator as the audio clock source to achieve low audio jitter and a Bit-perfect listening experience.

Application

More music enthusiasts and HiFi aficionados hope to achieve a better listening experience on mobile devices. Connecting a MQA tailboard to the phone can effectively meet user demands. The application scenarios are as follows:

MQA Application