This is an Apos Certified product. That means it's refurbished, like new, eligible for our 45-day return policy, carries an Apos Certified One-Year Warranty, and ships from our US facility. Currently, Apos Certified products are only available to customers with a US shipping address. We appreciate your understanding as we aspire to expand our offerings to a broader audience in the future.

True lossless, true enjoyment

SMSL has updated the M500 DAC/Amp with a host of features like Bluetooth 5.0, a two-step gain switch, and double the output power. The Mk2 is an all-in-one desktop solution that will be many audiophiles' endgame.

Built-in hi-fi amplifier

The M500’s PLFC headphone amplifier circuit makes it possible to obtain more than 2W of power with less than -120dB of distortion in a 16Ω load. Additionally, the gain is adjustable, making it easy to accommodate different types of headphones.

24-bit Bluetooth

Qualcomm’s latest Bluetooth chip supports LDAC 24-bit/96kHz, aptX, aptX HD, SBC, and AAC.

XMOS XU216 

The M500 uses the latest XMOS XU2016 USB chip, a true 32-bit USB solution with customized drivers for the transmission of high-def audio, DOP, and native DSD.

ES9038PRO D/A chip 

The M500 Mk2 uses the ESS ES9038PRO DAC chip. This flagship 8-channel chip uses the critically acclaimed Hyperstream II architecture and Time Domain Jitter Eliminator for unprecedented performance.

7 digital filters

Customize the sound signature to your tastes with seven digital filters, like Fast Roll-Off, Slow Roll-Off, and Brick Wall.

Product highlights

• JAS Hi-res certification
• MQA certification
• MQA-CD certification
• ES9038PRO D/A chip
• Distortion as low as -123dB
• Brand new PLFC headphone amp circuit
• XMOS XU216
• DSD512
• PCM 32bit/768kHz
• 7 digital filters
• Full-function remote control
• Independent firmware upgrades

Specs

• Inputs: USB, optical, coaxial, Bluetooth
• Outputs: 6.35 phone jack, RCA, XLR
• THD+N: 0.00006% (-123dB)
• HPA THD+N: 0.0001% (-120dB)
• HPA power: 2W x2 (16Ω), 1W x2 (32Ω)
• HPA gain: 0dB (low), +9dB (high)
• Dynamic range: 131dB (XLR), 123dB (RCA)
• SNR: 131dB (XLR), 126dB (RCA)
• USB spec: USB 2.0 asynchronization 
• USB compatibility: Windows 7, 8, 8.1, 10 (needs driver), Mac OSX 10.6 or later, Linux (driverless)
• MQA decoder: USB, optical, coaxial
• MQA-CD decoder: Optical, coaxial
• DoP decoder: USB, optical, coaxial 
• Sampling rate and bandwidth
• USB: PCM 44.1 - 768kHz (32bit)
• DSD: 2.8224 - 22.5792MHz (1bit)
• Optical/coaxial: 44.1 - 192kHz (24bit)
• DoP: DoP256 (USB), DoP64 (optical/coaxial)
• Bluetooth: 5.0
• LDAC: 24bit/96kHz
• aptX HD: 24bit/48kHz_576kbps
• aptX: 16bit/44.1kHz_352kbps
• SBC: 16bit/44.1kHz_328kbps
• AAC: 16bit/44.1kHz_320kbps
• Power consumption: 5W
• Standby power: <0.5W
• Size: 3.3 x 3.4 x 7.7” (85 x 88 x 197mm)
• Weight: 1.98lbs (0.9kg)

What’s included

• SMSL M500 Mk2
• USB Cable 
• Remote control 
• Power cord
• Bluetooth antenna 
• User manual