{"product_id":"hifi-rose-ra280-integrated-amplifier","title":"HiFi Rose - RA280 - Integrated Amplifier","description":"\u003cdiv style=\"font-size:14px; font-family:Arial, Helvetica, sans-serif; color:#222; line-height:1.6;\"\u003e\n\n\u003cp\u003e\nThe HiFi Rose RA280 Integrated Amplifier is a high-performance analog amplification platform engineered to deliver powerful wide-bandwidth performance, refined musical accuracy, and extensive system integration flexibility. Designed for demanding two-channel audio systems, the RA280 combines advanced amplifier architecture with precision-machined construction and comprehensive analog connectivity.\n\u003c\/p\u003e\n\n\u003cp\u003e\nBuilt around a high-current output stage and advanced switched-mode power supply architecture, the RA280 delivers substantial continuous output capability with low distortion, wide frequency response, and excellent damping performance. Precision tone controls and integrated MM phono functionality provide additional flexibility for audiophile vinyl and line-level source integration.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe RA280 also incorporates balanced and unbalanced analog inputs, subwoofer output capability, trigger integration, and robust chassis construction utilizing solid aluminum and rust-proof steel materials. Combining sophisticated engineering with elegant industrial design, the RA280 serves as a powerful centerpiece for modern high-end stereo systems.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eAvailable Configurations \u0026amp; Options:\u003c\/strong\u003e\u003cbr\u003e\nBlack or Silver finishes available\n\u003c\/p\u003e\n\n\u003ch3 style=\"color:#f39c12; font-size:14px; margin-bottom:6px;\"\u003e\n\u003cstrong\u003eFEATURES\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cul style=\"margin-top:0;\"\u003e\n\u003cli\u003eHigh-performance integrated amplifier platform\u003c\/li\u003e\n\u003cli\u003e250W x 2 channel RMS output into 8Ω\u003c\/li\u003e\n\u003cli\u003eBalanced analog input connectivity\u003c\/li\u003e\n\u003cli\u003eThree unbalanced line-level inputs\u003c\/li\u003e\n\u003cli\u003eMM phono input stage\u003c\/li\u003e\n\u003cli\u003eDedicated subwoofer output\u003c\/li\u003e\n\u003cli\u003eWide-bandwidth amplifier architecture\u003c\/li\u003e\n\u003cli\u003ePrecision bass and treble tone controls\u003c\/li\u003e\n\u003cli\u003e500W switched-mode power supply design\u003c\/li\u003e\n\u003cli\u003eTrigger input and trigger output integration\u003c\/li\u003e\n\u003cli\u003eIR remote-control compatibility\u003c\/li\u003e\n\u003cli\u003eSolid aluminum and rust-proof steel chassis construction\u003c\/li\u003e\n\u003cli\u003eDesigned and manufactured in South Korea\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color:#f39c12; font-size:14px; margin-bottom:6px;\"\u003e\n\u003cstrong\u003eSPECIFICATIONS\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Integrated Amplifier\u003cbr\u003e\n\u003cstrong\u003eFTC Power Output Rating (RMS):\u003c\/strong\u003e 250W x 2ch (8Ω, 20Hz-20kHz, THD 0.07%)\u003cbr\u003e\n\u003cstrong\u003eFrequency Range:\u003c\/strong\u003e 10Hz~80kHz (8Ω, 1W)\u003cbr\u003e\n\u003cstrong\u003eLoad Impedance:\u003c\/strong\u003e 8Ω\u003cbr\u003e\n\u003cstrong\u003eSubwoofer Output (Mono):\u003c\/strong\u003e 1Wrms (2.218 dBu)\u003cbr\u003e\n\u003cstrong\u003eBalanced Input Sensitivity:\u003c\/strong\u003e 600mV (≈ 250W x 2ch)\u003cbr\u003e\n\u003cstrong\u003eUnbalanced Input Sensitivity:\u003c\/strong\u003e 600mV (≈ 250W x 2ch)\u003cbr\u003e\n\u003cstrong\u003ePhono (MM) Input Sensitivity:\u003c\/strong\u003e 5mV (≈ 250W x 2ch)\u003cbr\u003e\n\u003cstrong\u003eUnbalanced Input Impedance:\u003c\/strong\u003e 47kΩ\u003cbr\u003e\n\u003cstrong\u003eBandwidth (20Hz~20kHz):\u003c\/strong\u003e +0, 0dB (≈ 250W x 2ch, 8Ω Speaker Output)\u003cbr\u003e\n\u003cstrong\u003eBandwidth (10Hz~66kHz):\u003c\/strong\u003e +0, -1dB (≈ 250W x 2ch, 8Ω Speaker Output)\u003cbr\u003e\n\u003cstrong\u003eBandwidth (10Hz~85kHz):\u003c\/strong\u003e +0, -3dB (≈ 250W x 2ch, 8Ω Speaker Output)\u003cbr\u003e\n\u003cstrong\u003eTHD (Balanced \u0026amp; Unbalanced Inputs):\u003c\/strong\u003e 0.05% (8Ω, 1W to 250W, 1kHz)\u003cbr\u003e\n\u003cstrong\u003eDamping Factor:\u003c\/strong\u003e \u0026gt;250 (≈ 250W x 2ch)\u003cbr\u003e\n\u003cstrong\u003eSignal to Noise Ratio:\u003c\/strong\u003e 109dB (Balanced), 109dB (Unbalanced), 85dB (Phono MM)\u003cbr\u003e\n\u003cstrong\u003eSpeaker Output Impedance:\u003c\/strong\u003e 30mΩ (≈ 250W x 2ch)\u003cbr\u003e\n\u003cstrong\u003eTone Control:\u003c\/strong\u003e Bass (100Hz) \/ Treble (10kHz) ±15dB\u003cbr\u003e\n\u003cstrong\u003ePhono Turnover:\u003c\/strong\u003e 500Hz (+13dB @ 100Hz) (≈ RIAA)\u003cbr\u003e\n\u003cstrong\u003ePhono Roll-off:\u003c\/strong\u003e 2.1kHz (-13.74dB @ 10kHz) (≈ RIAA)\u003cbr\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 500W SMPS (Maximum Output: 600W)\u003cbr\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e AC100-240V, 50\/60Hz\u003cbr\u003e\n\u003cstrong\u003eStandby Power Consumption:\u003c\/strong\u003e \u0026lt;0.5W\u003cbr\u003e\n\u003cstrong\u003eTrigger In:\u003c\/strong\u003e 3.3V~12V\u003cbr\u003e\n\u003cstrong\u003eTrigger Out:\u003c\/strong\u003e 12V\u003cbr\u003e\n\u003cstrong\u003eIR Input:\u003c\/strong\u003e 38kHz Infrared Ray (Within 10m Operating Distance)\u003cbr\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 16.9” W × 13.98” D × 4.06” H\u003cbr\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 20.94 lbs\u003cbr\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e Solid Aluminum, Rust-proof Steel\n\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"HiFi Rose","offers":[{"title":"Silver","offer_id":51747487318304,"sku":null,"price":3395.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":51747487351072,"sku":null,"price":3395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/3728\/1568\/files\/RA280_frontlow_silver.webp?v=1779891177","url":"https:\/\/salon1audio.com\/products\/hifi-rose-ra280-integrated-amplifier","provider":"Salon 1 Audio","version":"1.0","type":"link"}