FiiO RR11 HiFi Portable FM Stereo Radio Receiver

FiiO RR11 HiFi Portable FM Stereo Radio Receiver

The FiiO RR11 reimagines the portable radio experience by combining a sleek retro-inspired design with advanced audio performance. Equipped with a Si4831 FM radio chip, BASS+3D sound effects, and a HiFi-grade custom audio circuit, this compact device supports both FM radio playback and headphone amplifier mode. With its tactile PVR-style analog tuning, you can easily dial into your favorite FM stations, or switch to DAC/amp mode for immersive digital audio on the go. Slim, lightweight, and packed with features, the RR11 is your versatile pocket-sized audio companion.

Key Features

• Analog PVR tuning dial: manually browse FM frequencies for a nostalgic, tactile radio experience.
• Dedicated FM chip (Si4831): ensures stable, wideband FM reception across 64–108 MHz.
• HiFi custom circuitry: benefits from nearly 18 years of FiiO’s audio design expertise.
• Enhanced sound effects: built-in DDB chip enables BASS+ and 3D audio modes for rich, immersive playback.
• Dual-function operation: switch between FM radio and headphone amplifier via the included digital-to-analog adapter.
• Retro-style earbuds included: for a classic audio setup straight out of the box.
• Long battery life + USB-C charging: 300 mAh battery provides up to 17.5 hours of use in amplifier mode, with fast charging via USB-C.
• Vintage orange status light: provides visual feedback with a retro vibe.
• Ultra-slim profile: only 13 mm thick for easy pocketability.

Technical Specifications

• Dimensions: 83.2 × 39.4 × 13 mm
• Weight: approx. 46 g
• FM Frequency Range: 64–108 MHz (supports 64–87 MHz campus, 76–90 MHz Japan, 87–108 MHz standard)
• Radio Chip: Silicon Labs Si4831
• Battery: 300 mAh lithium
• Charging Time: approx. 2 hours
• FM Output: ≥4 mV + 4 mV | THD+N < 0.3% | SNR ≥ 45 dB
• AMP Output Power: 30 mW + 30 mW @ 16 Ω | 40 mW + 40 mW @ 32 Ω
• AMP THD+N: <0.04% (1 kHz @ 32 Ω)
• AMP SNR: ≥100 dB
• Battery Life: ≥8.5 hrs (FM) | ≥17.5 hrs (AMP mode)

In the Box

• 1 × FiiO RR11 Portable FM Radio
• 1 × Pair of Retro-style JF11 Earbuds
• 1 × USB-C to USB-C Digital-to-Analog Cable
• 1 × Set of Foam Earbud Covers
• 1 × Quick Start Guide
• 1 × Warranty Card