{"product_id":"fiio-rr13-portable-stereo-fm-radio","title":"FiiO RR13 Portable Stereo FM Radio","description":"\u003ch1\u003e\u003cstrong\u003eRediscover your local stations\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eKEXP. KCRW. WFMU. The FiiO RR13 is a handheld FM radio that lets you connect to great radio stations in your city. A Silicon Labs Si4831 radio chip handles two FM bands, while a five-magnet speaker and headphone connectivity give you two ways to listen. BASS and 3D sound effects, a luminous mechanical dial, and a rechargeable, swappable battery round out a pocket-sized radio built for everyday use.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eTwo FM bands\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe Silicon Labs Si4831 FM radio chip handles station reception across the standard 87–108MHz band and Japan’s 76–90MHz band. Turn the tuning control to find local news, music, and conversation, with reception supported by a custom internal antenna.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSpeaker mode \u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eAn ultra-thin five-magnet speaker and dual independent amplifiers fit inside the RR13’s compact chassis. Listen through the built-in speaker while working around the house or connect headphones while out and about.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eDetachable antenna\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe RR13 includes a detachable telescopic antenna with a 3.5mm connection. Extend it when reception needs a boost. Connected headphones can also help improve reception sensitivity, giving you additional options when the internal antenna needs support.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eBass boost and sound effects\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFIIO’s custom DDB AS100 analog audio and amplifier chip provides BASS and 3D sound effects. Use them to add low-end emphasis and a greater sense of space to your listening.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSmooth mechanical tuning\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe RR13 refines the analog tuning mechanism used in the RR11 with a new roller, gear, and rack structure. The revised gear ratio makes adjustments smoother and more precise, helping you settle on a station with a controlled turn of the dial.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eRechargeable and replaceable battery\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe rechargeable 450mAh battery provides approximately seven hours of radio listening through headphones or four hours through the speaker at the default volume. Charging takes about two hours through USB-C. The battery is swappable, so a compatible spare can extend your listening time.\u003c\/p\u003e\n\u003cp\u003eThe RR13 uses a custom 10440 lithium battery with an integrated protection board and a non-standard 44mm length. Contact FIIO customer support for a compatible replacement. Actual battery life varies with listening conditions.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eHeadphone amplification mode\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eConnect a compatible source through a digital-to-analog audio adapter cable to use the RR13 as a headphone amplifier. This mode also lets you apply its DDB analog sound effects to music and internet radio from an external device. FIIO’s TRUST series Type-C to Type-C digital-to-analog audio cable is available separately.\u003c\/p\u003e\n\u003cp\u003eIn headphone amplifier mode, the RR13 delivers at least 80mW per channel into 32Ω, with an output impedance below 1Ω. Headphone battery life extends to at least 18 hours in this mode.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003ePerfect for your pocket or purse\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eAn aluminum alloy front panel and AG glass back cover give the RR13 a solid feel in the hand. It weighs approximately 2.68 oz (76g) and measures about 1.71 × 3.37 × 0.65 inches (43.4 × 85.6 × 16.4mm). Choose from retro gold, black, red, or silver.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct highlights\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSilicon Labs Si4831 FM radio chip\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStandard 87–108MHz and Japan 76–90MHz FM bands\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUltra-thin five-magnet speaker with dual independent amplifiers\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeadphone connectivity for private listening\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCustom FIIO DDB AS100 analog audio chip with BASS and 3D sound effects\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAnalog tuning with a revised roller, gear, and rack mechanism\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLuminous mechanical frequency dial\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCustom internal antenna and included detachable telescopic antenna\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRechargeable, swappable 450mAh battery\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUSB-C charging\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeadphone amplifier mode with a compatible adapter cable, sold separately\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e30- or 60-minute sleep timer\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAluminum alloy front panel and AG glass back cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral\u003c\/strong\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eModel: FIIO RR13\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eColors: Retro gold, black, red, silver\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDimensions: Approximately 1.71 × 3.37 × 0.65 inches (43.4 × 85.6 × 16.4mm)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight: Approximately 2.68 oz (76g)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRadio chip: Silicon Labs Si4831\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAnalog audio chip: Custom FIIO DDB AS100\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFM1 frequency range: 87–108MHz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFM2 frequency range: 76–90MHz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupported headphone impedance: 8–100Ω\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBattery: Custom rechargeable, swappable 450mAh 10440 lithium battery with protection board\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBattery length: Non-standard 1.73 inches (44mm)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCharging input: USB-C, 5V DC \/ 2A\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCharging time: Approximately 2 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRadio mode\u003c\/strong\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eHeadphone output voltage: ≥390mVrms per channel\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpeaker output power: ≥760mW per channel into 8Ω at 2.45Vrms\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTHD+N: \u0026lt;0.25%\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSNR: ≥45dB, A-weighted\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNoise-limited sensitivity: ≤15dBμV at 30dB S\/N\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeadphone battery life: ≥7 hours\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpeaker battery life: ≥4 hours\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBattery test conditions: Default volume, FIIO laboratory testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadphone amplifier mode\u003c\/strong\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eHeadphone output power into 16Ω: ≥65mW per channel, THD+N \u0026lt;1%, 1Vrms\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeadphone output power into 32Ω: ≥80mW per channel, THD+N \u0026lt;1%, 1.6Vrms\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpeaker output power into 8Ω: ≥75mW per channel, THD+N \u0026lt;1%, 780mVrms\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOutput impedance: \u0026lt;1Ω\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTHD+N: \u0026lt;0.008% at 1kHz, 0dBV into 32Ω\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSNR: ≥100dB, A-weighted\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNoise floor: \u0026lt;10μV, A-weighted\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeadphone battery life: ≥18 hours\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpeaker battery life: ≥4 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat’s included\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFIIO RR13 radio\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUSB charging cable\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eExternal telescopic antenna\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWarranty card\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FiiO","offers":[{"title":"Red","offer_id":67748450730220,"sku":"APS-1444-4","price":64.99,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":67748450762988,"sku":"APS-1444-2","price":64.99,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":67748450795756,"sku":"APS-1444-1","price":64.99,"currency_code":"USD","in_stock":true},{"title":"Gold","offer_id":67748989960428,"sku":"APS-1444-3","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0225\/2721\/3642\/files\/807cbf0e7c6625a6e14c96a33310636c_db49d82d-dcea-4202-ac74-f887e3f2dcfd.jpg?v=1792097681","url":"https:\/\/apos.audio\/products\/fiio-rr13-portable-stereo-fm-radio","provider":"Apos","version":"1.0","type":"link"}