{"product_id":"fiio-rr13","title":"FiiO RR13","description":"\u003cp\u003eFIIO RR13 is a pocket-sized stereo FM radio that combines classic analog tuning with modern audio engineering, built-in speakers, headphone output, and a dedicated analog headphone amplifier mode.\u003c\/p\u003e\n\u003cp\u003eIts professional Si4831 FM receiver, custom-shaped internal antenna, detachable telescopic antenna, mechanical luminous dial, and replaceable rechargeable battery make it suitable for everyday radio listening at home or on the move.\u003c\/p\u003e\n\n\u003ch2\u003eWhy it stands out\u003c\/h2\u003e\n\n\u003ch3\u003eProfessional Si4831 FM Receiver\u003c\/h3\u003e\n\u003cp\u003eThe Silicon Labs Si4831 radio chip provides stable FM reception and covers both the standard 87–108MHz band and the 76–90MHz Japanese FM band.\u003c\/p\u003e\n\n\u003ch3\u003eBuilt-in Stereo Speakers\u003c\/h3\u003e\n\u003cp\u003eDual ultra-thin five-magnet speakers and independent amplifier channels allow RR13 to play radio or connected audio without external headphones.\u003c\/p\u003e\n\n\u003ch3\u003eInternal and External Antennas\u003c\/h3\u003e\n\u003cp\u003eA custom-shaped antenna is built into the compact body. The included detachable 3.5mm telescopic antenna can improve reception when using the built-in speakers.\u003c\/p\u003e\n\n\u003ch3\u003eDedicated Headphone Amplifier Mode\u003c\/h3\u003e\n\u003cp\u003eSwitch to AMP mode and connect a compatible analog-output adapter cable to use RR13 as a portable headphone amplifier, delivering up to 80mW + 80mW at 32Ω.\u003c\/p\u003e\n\u003ch2\u003eBest for\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eListeners who enjoy manual FM radio tuning\u003c\/li\u003e\n\u003cli\u003ePortable radio listening through headphones or built-in speakers\u003c\/li\u003e\n\u003cli\u003eUsers looking for a compact retro-style audio device\u003c\/li\u003e\n\u003cli\u003eRegions using either the 87–108MHz or 76–90MHz FM band\u003c\/li\u003e\n\u003cli\u003eUsers who also want a simple analog headphone amplifier\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eNot ideal for\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInternet radio, DAB, AM, or shortwave broadcasts\u003c\/li\u003e\n\u003cli\u003eUsers who need Bluetooth, Wi-Fi, or internal music storage\u003c\/li\u003e\n\u003cli\u003eDirect digital USB audio without a compatible DAC adapter cable\u003c\/li\u003e\n\u003cli\u003eHigh-impedance or very demanding full-size headphones\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eEMiUZEK Buying Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRR13 supports FM radio only; it does not support AM, DAB, Bluetooth, Wi-Fi, or internet radio.\u003c\/li\u003e\n\u003cli\u003eThe USB-C port is primarily for charging and analog input in AMP mode. Digital sources require a compatible USB-C cable or adapter with a built-in DAC.\u003c\/li\u003e\n\u003cli\u003eThe 3.5mm port is used for headphones in HP mode and for the included telescopic antenna in SPK mode.\u003c\/li\u003e\n\u003cli\u003eUse a protected 3.7V 10440 rechargeable lithium battery with the correct polarity when replacing the supplied battery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\n\u003ch3\u003eDoes FIIO RR13 support AM radio?\u003c\/h3\u003e\n\u003cp\u003eNo. RR13 is an FM-only radio supporting 87–108MHz and 76–90MHz frequency ranges.\u003c\/p\u003e\n\n\u003ch3\u003eCan RR13 play without headphones?\u003c\/h3\u003e\n\u003cp\u003eYes. Select SPK mode to listen through its built-in stereo speakers.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I improve FM reception?\u003c\/h3\u003e\n\u003cp\u003eIn speaker mode, connect the supplied telescopic antenna to the 3.5mm port and fully extend it. Location, surrounding buildings, electrical interference, and local broadcast strength can affect reception.\u003c\/p\u003e\n\n\u003ch3\u003eCan RR13 work as a USB DAC?\u003c\/h3\u003e\n\u003cp\u003eRR13 does not contain a digital USB DAC. In AMP mode, it can accept analog audio through USB-C when used with a compatible adapter cable containing its own DAC.\u003c\/p\u003e\n\n\u003ch3\u003eCan I use RR13 as a headphone amplifier?\u003c\/h3\u003e\n\u003cp\u003eYes. Select AMP mode, connect a compatible analog source through USB-C, select HP output, and connect 3.5mm headphones.\u003c\/p\u003e\n\n\u003ch3\u003eIs the battery replaceable?\u003c\/h3\u003e\n\u003cp\u003eYes. RR13 uses a protected rechargeable 450mAh 10440 lithium battery. Observe the correct positive and negative orientation when replacing it.\u003c\/p\u003e\n\n\u003ch3\u003eDoes RR13 have a sleep timer?\u003c\/h3\u003e\n\u003cp\u003eYes. The automatic power-off timer can be set to 30 or 60 minutes.\u003c\/p\u003e\n\n\u003ch2\u003eHOW TO CONNECT\u003c\/h2\u003e\n\n\u003ch3\u003eFM Radio with Headphones\u003c\/h3\u003e\n\u003cp\u003eSource icon: Radio Tower\u003c\/p\u003e\n\u003cp\u003eSource: FM Broadcast\u003c\/p\u003e\n\u003cp\u003eConnection: Built-in Antenna \/ Headphone Cable\u003c\/p\u003e\n\u003cp\u003eOutput connection: 3.5mm Headphone Output\u003c\/p\u003e\n\u003cp\u003eTarget icon: Headphones\u003c\/p\u003e\n\u003cp\u003eOutput: Wired Headphones \/ Earphones\u003c\/p\u003e\n\u003cp\u003eNote: Select FM1 or FM2 and set the output switch to HP.\u003c\/p\u003e\n\n\u003ch3\u003eFM Radio with Built-in Speakers\u003c\/h3\u003e\n\u003cp\u003eSource icon: Radio Tower\u003c\/p\u003e\n\u003cp\u003eSource: FM Broadcast\u003c\/p\u003e\n\u003cp\u003eConnection: Internal Antenna \/ Detachable Telescopic Antenna\u003c\/p\u003e\n\u003cp\u003eOutput connection: Built-in Speaker Output\u003c\/p\u003e\n\u003cp\u003eTarget icon: Speaker\u003c\/p\u003e\n\u003cp\u003eOutput: Built-in Stereo Speakers\u003c\/p\u003e\n\u003cp\u003eNote: Set the output switch to SPK and connect the telescopic antenna to the 3.5mm port when stronger reception is required.\u003c\/p\u003e\n\n\u003ch3\u003ePortable Headphone Amplifier\u003c\/h3\u003e\n\u003cp\u003eSource icon: Smartphone\u003c\/p\u003e\n\u003cp\u003eSource: Smartphone \/ Tablet \/ Computer\u003c\/p\u003e\n\u003cp\u003eConnection: Compatible USB-C DAC Adapter Cable\u003c\/p\u003e\n\u003cp\u003eOutput connection: 3.5mm Headphone Output\u003c\/p\u003e\n\u003cp\u003eTarget icon: Headphones\u003c\/p\u003e\n\u003cp\u003eOutput: Wired Headphones \/ Earphones\u003c\/p\u003e\n\u003cp\u003eNote: Select AMP mode. The connected adapter must provide analog audio output.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003ePortable stereo FM radio and analog headphone amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRadio chip\u003c\/td\u003e\n\u003ctd\u003eSilicon Labs Si4831\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog audio chip\u003c\/td\u003e\n\u003ctd\u003eCustom FIIO DDB AS100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFM1 frequency range\u003c\/td\u003e\n\u003ctd\u003e87–108MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFM2 frequency range\u003c\/td\u003e\n\u003ctd\u003e76–90MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntenna\u003c\/td\u003e\n\u003ctd\u003eBuilt-in custom-shaped antenna and detachable 3.5mm telescopic antenna\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeadphone output\u003c\/td\u003e\n\u003ctd\u003e3.5mm single-ended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended headphone impedance\u003c\/td\u003e\n\u003ctd\u003e8–100Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAMP output at 32Ω\u003c\/td\u003e\n\u003ctd\u003e≥80mW + 80mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in speakers\u003c\/td\u003e\n\u003ctd\u003e8Ω, 1W ×2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSound settings\u003c\/td\u003e\n\u003ctd\u003eBASS OFF \/ BASS 1 \/ BASS 2 with 3D effect\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControls\u003c\/td\u003e\n\u003ctd\u003eAnalog tuning knob, volume knob, mode switch, output switch, sound-effect switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSleep timer\u003c\/td\u003e\n\u003ctd\u003eOff \/ 30 minutes \/ 60 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB connection\u003c\/td\u003e\n\u003ctd\u003eUSB-C charging and compatible analog audio input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower requirement\u003c\/td\u003e\n\u003ctd\u003eDC 5V\/2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd\u003eReplaceable protected 450mAh 10440 rechargeable lithium battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging time\u003c\/td\u003e\n\u003ctd\u003eApproximately 2.5 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRadio battery life\u003c\/td\u003e\n\u003ctd\u003eApproximately 7 hours with headphones; approximately 4 hours with speakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAMP battery life\u003c\/td\u003e\n\u003ctd\u003eApproximately 18 hours with headphones; approximately 4 hours with speakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eApproximately 85.6 × 43.4 × 16.4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApproximately 76g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAvailable colors\u003c\/td\u003e\n\u003ctd\u003eRetro Gold \/ Black \/ Red \/ Silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat's in the box, manuals and downloads\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFIIO RR13 ×1\u003c\/li\u003e\n\u003cli\u003eUSB-A to USB-C charging cable ×1\u003c\/li\u003e\n\u003cli\u003eDetachable telescopic antenna ×1\u003c\/li\u003e\n\u003cli\u003eQuick start guide ×1\u003c\/li\u003e\n\u003cli\u003eWarranty card ×1\u003c\/li\u003e\n\u003cli\u003eVisit the official FIIO support center for manuals and product information\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAdditional Product Content\u003c\/h2\u003e\n\n\u003ch3\u003eRR13 operating modes\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eMode\u003c\/th\u003e\n\u003cth\u003eFrequency or input\u003c\/th\u003e\n\u003cth\u003eAvailable output\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFM1\u003c\/td\u003e\n\u003ctd\u003e87–108MHz FM radio\u003c\/td\u003e\n\u003ctd\u003e3.5mm headphones or built-in speakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFM2\u003c\/td\u003e\n\u003ctd\u003e76–90MHz FM radio\u003c\/td\u003e\n\u003ctd\u003e3.5mm headphones or built-in speakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAMP\u003c\/td\u003e\n\u003ctd\u003eCompatible analog input through USB-C\u003c\/td\u003e\n\u003ctd\u003e3.5mm headphones or built-in speakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Fiio","offers":[{"title":"Black","offer_id":44952361467997,"sku":"FiiO-RR13-Black","price":64.99,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":44952361500765,"sku":"FiiO-RR13-Silver","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/7422\/8829\/files\/03_ee889a89-dd44-43da-8364-6bc3381bd722.webp?v=1787807742","url":"https:\/\/emiuzek.com\/ja\/products\/fiio-rr13","provider":"EMiUZEK","version":"1.0","type":"link"}