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FiiO M33 R2R

FiiO M33 R2R digital audio player with FiiO proprietary R2R, Wi-Fi, Bluetooth 5.0, 1100mW balanced output.
FiiO M33 R2R
HiFi-Dawson’s take

A versatile R2R Android DAP with organic, detailed sound, ample power, and a useful desktop mode for full-size headphones.

Specifications

Price$699.99 USD
DAC chipsetFiiO proprietary R2R
Amplifier chipset4x INA1620
SoCQualcomm Snapdragon 680
RAM8GB
3.5mm output470 mW @ 32Ω
4.4mm output1,100 mW @ 32Ω
Bluetooth5
Bluetooth codecsSBC, AAC, aptX, aptX HD, LDAC, LHDC
Internal storage128 GB
Maximum microSD2 TB
Battery life15.5 hours
Display5.5 inch IPS touchscreen, 1080x2160
Dimensions138.2mm x 71.5mm x 17mm
Weight258.0 g
Music Streaming SupportYes
Max Supported Sample RatesDSD256, 32-bit/384kHz PCM
Gapless playbackYes
M3U Playlist SupportYes
Built-in EQPEQ
USB DAC modeYes
Bluetooth DAC modeYes
Official Product Page View official product page

Firmware and support

Latest firmware version
1.0.2

Other Notes or Known Issues

  • Supports a dedicated desktop mode (battery bypass).
  • Dedicated USB controller (XMOS XU316 chip) provides low-latency USB DAC operation.

Sources and verification