Portable FM radio 13 mm thin aluminum alloy housing Analog PVR tuning Professional Si4831 radio chipset With JF11 earphones Professionally designed circuit architecture 3D bass sound effect FM/AMP dual operation modes Integrated antenna for better reception Dual mode operation with battery or power supply Retro lighting indicators Modern design Up to 8.5 hours battery life in FM mode/up to 17.5 hours in Amp mode Take a trip down memory lane with the brand new FiiO RR11, a high quality stereo FM radio. The FiiO RR11 is the perfect blend of retro FM playback and modern design, making it the perfect on-the-go device. It features a professional Si4831 FM radio chipset that supports ultra-wideband reception. FiiO has equipped the RR11 with a professionally developed audio circuit. It offers smooth FM reception with analog PVR tuning function. You can receive different stations depending on your location and signal strength. The RR11 has a Type-C interface that allows you to connect it to your smartphone and use it as a dedicated USB audio DAC/AMP. It also has an integrated 3D bass function that spoils you with improved bass reproduction. Professional FM radio chipset: Equipped with a professional Si4831 FM radio chipset from Silicon Labs, the FiiO RR11 offers wide, comprehensive FM coverage. It receives clear and stable radio signals. With this high-quality chipset, the FiiO RR11 supports FM bands: FM 87-108 MHz Please note that playback depends on local FM stations and signal strength. Analog PVR tuning: The FiiO RR11 has an analog dial carefully designed to simulate PVR tuning. This allows you to fine tune the FM band and adjust the frequency of each radio station. This provides a classic, nostalgic retro feel that is best experienced for yourself. Integrated antenna for signal enhancement: The FiiO RR11 not only uses the headphone antenna, but also has an integrated powerful PCB signal boosting antenna. This significantly improves the reception performance of the radio signal and promises users a clear FM radio experience. FM/AMP dual operation modes: The FiiO RR11 features high quality audio circuitry. It can also be used as a digital signal processor by connecting a smartphone as a USB DAC/AMP. FiiO supplies the RR11 with a USB Type-C to Type-C DAC adapter cable. Thanks to FiiO's improved audio circuitry, the RR11 promises high-quality sound even in AMP mode. The battery life is up to 8.5 hours in FM mode and up to 17.5 hours in AMP mode. Advanced 3D bass modes: The FiiO RR11 has customized DDB analog sound effects and an amplifier chipset. The device has a two-stage 3D bass mode that allows you to customize the sound to your liking. Magic Bass 1 mode provides punchier bass, while Magic Bass 2 mode offers bass-enhanced 3D surround sound. Exquisite build quality: The FiiO RR11 has a compact and handy design made of high-quality aluminum alloy. The retro FM function fits perfectly with the modern look and provides a high-quality, great feel in the hand.Specifications:Color: Black Size: 83.2 mm x 39.4 mm x 13 mm Weight: 46 g Radio chip: Si4831 FM: FM1: 87-108 MHz Matched impedance: 8-100 Ohm Battery: 300 mAh lithium battery Power supply: Supports DC 5 V/1 A Charging time: approx. 2 hours Radio mode Output amplitude: L+R >4 mV+4 mV THD+N: <0.3 % Signal-to-noise ratio: >45 dB (A-weighted) Noise cut-off sensitivity: <15 dBuV (S/N=30 dB) Operating time: >8.5 hours (40 mV output, 32 Ohm load) Out-of-ear mode Output power 1: L+R >30 mW + 30 mW (16 ohms, THD+N <1 %) Output power 2: L+R >40 mW + 40 mW (32 ohms, THD+<1 %) Output impedance: 1 ohm THD+N: <0.04 % (1 kHz/-24 dB at 32 ohms) Signal-to-noise ratio >100 dB (A-weighted) Noise floor: <10 µV (A-weighted) Operating time: >17.5 hours (40 mV output, 32 ohms load)

Portable FM Radio Stereo speakers with five magnetsHeadphone jackPowered by the Si4831 FM chipRechargeable and replaceable batteryAnalog PVR station searchBass and 3D sound effectsSpecially designed internal antennaTelescopic antenna includedClassic mechanical backlit dial FiiO RR13 – A radio may be small, but it holds the whole world within itDo you remember the days you spent with your radio? A single dial and a passing radio wave—that’s all it takes to connect with a warm, authentic world of sound. In those moments, we had our own vast sky—a sanctuary where we could calm our minds and gather our thoughts. Yet we believe that exploring unknown frequencies and looking forward to unexpected surprises are part of a fascination deeply rooted in the DNA of radio lovers. That’s why FiiO is introducing the brand-new RR13 pocket radio—crafted with modern technology to preserve the true essence of radio and keep our unique memories alive through crystal-clear radio waves.Pocket-sized high-fidelity stereo radio. Inside apocket-sized chassis houses an ultra-thin speaker with five magnets and two integrated, independent amplifiers. A modern stereo radio that combines stunning aesthetics with high-fidelity sound—designed especially for all those who love radio.Professional Radio Chip—Clearer and More Stable ReceptionEquipped with the professional Si4831 FM radio chip from Silicon Labs, the RR13 offers more powerful station-search functions, greater range, and clearer, more stable reception. Whether you’re listening to the news early in the morning or music programs late at night—the RR13 captures the sonic pulse of the city.Specially Shaped Antenna – Signals Are Easy to Pick UpA specially shaped antenna is integrated into the radio’s compact housing. When used with headphones or the included external telescopic antenna, it significantly improves reception sensitivity and ensures a clearer, more stable signal—allowing you to explore even more radio frequencies.Specially Tuned BASS Function + 3D Sound EffectsEquipped with a custom-designed FiiO DDB analog audio and amplifier chip that has been specially tuned and optimized, the RR13 reproduces classic sound signatures alongside a 3D sound experience, delivering a truly immersive listening experience that goes beyond mere clarity.Silky-smooth analog station selectionA brand-new design featuring a roller, gear, and rack significantly improves the gear ratio. Every turn of the knob is smooth and precise, making it easier to tune in to stations. Even the act of tuning in becomes a delightful ritual.Mechanical illuminated knob – Where Sound Meets StyleSpecially designed illuminated pointers echo the design of high-quality retro mechanical watches. As the light fades, a soft glow appears, clearly indicating the frequency—a successful blend of functionality and aesthetics.Rechargeable and Replaceable Battery – Long-Lasting from Morning to NightThe device is powered by a replaceable, rechargeable 450-mAh lithium battery (type 10440) with an integrated protection circuit board. Whether you rely on a single battery’s runtime or insert a spare—the RR13 ensures uninterrupted listening pleasure all day long.Radio mode – Headphone output: >7 hoursRadio mode – Speaker output: >4 hoursHeadphone amplifier mode – Headphone output: >18 hoursHeadphone amplifier mode – Speaker output: >4 hours Specifications provided by FiiO Labs. Actual performance may vary slightly due to different test environments and conditions.Play aloud or plug in headphonesTurn on the radio and experience the sound in two completely different ways—loudly through the speaker or privately through headphones. Both options convey the unique radio atmosphere.