FiiO M33 R2R Retro Golden

The FiiO M33 R2R Digital Audio Player is built around a modern platform designed for smooth everyday operation and high-level audio performance. Powered by the Qualcomm Snapdragon 680 processor and running Android 13, it offers fast response, stable multitasking, and seamless navigation when browsing music libraries or using streaming apps.

With 8GB of RAM and 128GB of internal storage, the player provides generous capacity for installing apps and storing large music collections. The responsive interface and powerful hardware ensure reliable performance during long listening sessions while maintaining the flexibility expected from a modern portable audio device.

At the heart of the M33 R2R is a fully differential complementary 24-bit R2R resistor array DAC. This architecture delivers a sound character that combines the warmth and musicality of analog playback with the precision of modern digital conversion. The result is a natural tonal balance, smooth textures, and detailed sound reproduction without harshness.

FiiO’s self-developed DAPS audio purification system further enhances audio processing by optimizing signal flow and reducing unwanted noise. An independent XMOS XU316 chip improves USB DAC performance and ensures accurate audio synchronization when connected to computers or other devices.

The player also includes a powerful 10-band parametric equalizer with AUTO EQ support. This feature can automatically match headphone frequency curves, allowing users to tailor the sound to their headphones with precise, lossless adjustments.

High output power ensures compatibility with a wide range of headphones. With up to 1100 mW per channel from the balanced output and a fully balanced amplification stage using Texas Instruments audio op-amps, the M33 R2R can drive both sensitive in-ear monitors and demanding full-size headphones with authority.

The design combines a slim aluminum body with a large 5.5-inch 1080p display, providing clear visuals and an immersive user experience. With up to 15.5 hours of battery life and fast charging in about 1.5 hours, the player is built for extended listening both at home and on the move.

Features

Qualcomm Snapdragon 680 Processor

Android 13 Operating System

8GB RAM And 128GB Internal Storage

Fully Differential 24-bit R2R DAC Architecture

Independent XMOS XU316 USB Chip

10-Band Parametric EQ With AUTO EQ

FiiO DAPS Audio Purification System

Balanced Headphone Output Up To 1100 mW Per Channel

5.5-Inch 1080p High Definition Display

Bluetooth 5.0 With LDAC, aptX HD And LHDC

Up To 15.5 Hours Battery Life

Expandable Storage Up To 2 TB

Specifications
Colors: Retro Gold, Deep Blue, Black
Dimensions: approx. 138.2 × 71.5 × 17 mm
Weight: approx. 258 g
RAM: 8 GB
Internal storage: 128 GB (approx. 112 GB usable)
Storage expansion: microSD up to 2 TB
Processor: Qualcomm Snapdragon 680
DAC: FiiO self-developed R2R DAC
USB chip: XMOS XU316
Display: 5.5-inch fully laminated screen (1080 × 2160)
Battery: 4400 mAh

Bluetooth receiving: Bluetooth 5.0, SBC, LDAC
Bluetooth transmitting: Bluetooth 5.0, SBC, aptX, aptX HD, LDAC, LHDC

Local playback: 384 kHz / 32-bit, DSD256 native
USB DAC: 768 kHz / 32-bit, DSD512 native
USB audio: 768 kHz / 32-bit, DSD512 (DoP / D2P / native)
Coaxial output: 384 kHz / 24-bit, DSD128

Frequency response: 20 Hz – 40 kHz
Signal-to-noise ratio: ≥117 dB (A-weighted)
Noise floor: THD+N: PCM 0.0183% / DSD 0.0033%
Channel separation: ≥74 dB (1 kHz @ 32 Ω)