Fiio Portable Rechargeable Lithium Battery Retro Mini Stereo Amplifier FM Radio

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RR11 Portable Stereo Radio: 13mm ultra-thin aluminum alloy body/analog PVR tuning/professional FM radio chip Si4831 ultra-wide FM band coverage/professional circuit architecture/BASS+3D sound effect IFM/headphone amplifier dual mode standard retro flat-head earphones|standard small tail line/battery or power dual power supply mode/retro light effect indicator

It is a radio and an earphone amplifier

Standard custom retro flat-head earphones and digital to analog adapter cable. With the digital to analog adapter cable, RR11 can be turned into a small tail earphone amplifier in seconds, which can not only increase the output power, but also use the sound effects on the DDB analog sound chip to listen to music or listen to online radio stations, which also has a unique charm.

Ultra-thin aluminum alloy design, a fusion of retro and modern

The ultra-thin body of 13mm is only 83.2mmx39.4mmx13mm in size, which is almost the same as the mainstream lighters on the market. The body knob is also designed with aluminum alloy, which truly achieves a fusion of retro and modern. Such a high-value pocket radio is dedicated to you who resonate with sound waves.

Analog PVR tuning touches the temperature of the radio at your fingertips

Reminiscent of the past, the carefully designed roller simulates PVR tuning, and the fingertips capture each radio frequency. The unexpected surprise brought by the millimeter-to-millimeter feel deviation is full of fun and ritual. This is the instant feedback that digital tuning machines cannot match. *The number of adjustable stations depends on the local FM radio station and signal quality, and there will be differences in different geographical locations.

Professional radio chip receives clear and stable reception

Equipped with Silicon Labs' professional FM radio chip Si4831, it realizes a wider range of valley search capabilities and clearer and more stable reception. Whether it is the early morning news broadcast or the late night music program, RR11 can capture the sound pulse of the city for you

Built-in signal gain antenna for easy reception

RR11 not only supports headphones as antennas, but also has a built-in high-performance PCB signal gain antenna, which significantly enhances the radio reception capability, allowing you to easily receive clear signals in a light posture

Ultra-wide FM band coverage to enjoy rich broadcast resources

Supports 64-108MHZFM band, can receive domestic and foreign FM signals and FM campus radio, enjoy mainstream music radio, news programs, campus special radio to meet your diverse listening needs.

Professional circuit architecture radio is also HiFi

Thanks to FiiO's nearly 18 years of + deep audio research and development accumulation, RR11 is equipped with a carefully designed HiFi-level professional circuit architecture to ensure high-quality sound performance.

BASS+3D sound effects, immersive listening experience

RR11 is equipped with customized DDB analog sound effects and amplifier chips to reproduce classic sound effects and 3D sound effects, giving you an immersive listening experience.

MAGIC BASS 1: Bass Enhancement
MAGIC BASS 2: Bass Enhancement + 3D Surround

Battery/power dual power supply to the day and night sound wave roaming

Built-in 300mAh lithium battery, can play continuously for more than 8.5 hours, also supports charging while using, dual power supply mode makes your use experience more free, whether it is commuting, outdoor sports or daily leisure, you can enjoy music and radio anytime, anywhere.
*AMP (headphone amplifier) ​​mode, the battery life can reach more than 17.5 hours.

Clear indication lights up every listening

The thoughtfully designed orange-yellow retro lighting effect can clearly indicate important information such as stereo, tuning power, etc. Whether you listen to the news in the morning or listen to the radio before going to bed, you can quickly understand the status of the radio and enjoy every comfortable listening experience.

Packing List

• RR11 host*1
• JF11 earphone*1
• USB charging cable*1
• Type-C to Type-C digital to analog audio cable*1
• Quick start guide*1
• After-sales maintenance card*1
• Earphone sponge cover*1

Product Parameters

Basic specifications：

• Model: RR11
• Color: titanium gold/black/red/silver
• Size: about 83.2mmx39.4mmx13mm
• Weight: about 46g
• Radio chip: Si4831
• FM: FM1:87~108MHZ; FM2:76~90MHZ; FM3:64~87MHZ
• Adaptive impedance: 8~100Q
• Battery: 300mAh
• Lithium battery power supply: supports DC5V/>1A
• Charging time: about 2H

Radio Mode：

• Output amplitude: L+R>4mV+4mV
• THD+N:<0.3%
• Signal-to-noise ratio:>45dB(A-weighted)
• Noise-limited sensitivity:≤15dBuV(S/N=30dB)
• Battery life:>8.5 hours(40mV output, 32Q load)

Headphone amplifier mode:

• Output power 1:L+R>30mW+30mW(16Q,THD+N<1%)
• Output power 2:L+R>40mW+40mW(32Q,THD+N<1%)
• Output impedance:<1Q
• THD+N:<0.04%(1kHz/-24dB@320)
• Signal-to-noise ratio:>100dB(A-weighted)
• Noise floor:<10uV(A-weighted)
• Battery life:>17.5 hours(40mV output, 32Q load)