{"product_id":"o-noorus-d4-pro-tpa3255-pffb-stereo-hpf-lpf-amplifier-with-balance-hdmi-arc-bluetooth-usb-optical-coaxial-rca-input-3-band-stereo-eq-tone-and-bypass","title":"O-NOORUS D4 PRO TPA3255 PFFB Stereo High-pass filter and Low-pass filter Amplifier with Balance HDMI ARC Bluetooth USB Optical Coaxial RCA input, 3-Band Stereo EQ Tone and Bypass","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/1558\/2772\/files\/BT_v2.jpg?v=1765286574\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/1558\/2772\/files\/BACK_v2.jpg?v=1765286584\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications：\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eModel: D4 PRO\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eTHD: ≤ 0.004%  @1KHz 5W\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eSNR: ≥ 93dB @1KHz 5W      SNR: ≥ 106dB @1KHz 120W  \u003c\/em\u003e\u003cbr\u003e\u003cem\u003eSINAD: 90dB   @1KHz 5W\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eInput Mode: Balance\/RCA\/HDMI ARC \/ BLUETOOTH\/ USB \/Optical\/ Coaxial \u003c\/em\u003e\u003cbr\u003e\u003cem\u003ePower Supply: 36V5A\/48V5A\/NO POWER\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eWorking Voltage: 24V~ 48V\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eTerminating Impedance: 2-8Ω\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eFrequency Range: 20Hz - 20kHz\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eOutput Mode: Passive speakers\/Active subwoofer\u003c\/em\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Include:\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003eO-NOORUS D4 PRO Amplifier*1\u003c\/em\u003e\u003cbr\u003e\u003cem\u003e48V5A\/48V10A\/NO POWER(Optional)\u003c\/em\u003e\u003cbr\u003e\u003cem\u003eUser Manual*1\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-key=\"26\" data-slate-type=\"p\" data-style=\"{}\"\u003e\u003cspan class=\"slate-node-text\" data-key=\"27\"\u003e\u003cspan data-offset-key=\"27:0\"\u003e\u003cstrong data-slate-leaf=\"true\" data-slate-type=\"strong\"\u003e\u003cspan data-slate-leaf=\"true\" data-slate-type=\"span\"\u003eMini amplifier, Multiple inputs, Custom Tone, Big Power, Low Distortion\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-key=\"30\" data-slate-type=\"p\" data-style=\"{}\"\u003e\u003cem\u003e\u003cspan class=\"slate-node-text\" data-key=\"31\"\u003e\u003cspan data-offset-key=\"31:0\"\u003e\u003cspan data-slate-leaf=\"true\" data-slate-type=\"span\"\u003e--TPA3255+PFFB technology, full-frequency low distortion, driving audiophile-grade speakers.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-key=\"32\" data-slate-type=\"p\" data-style=\"{}\"\u003e\u003cem\u003e\u003cspan class=\"slate-node-text\" data-key=\"33\"\u003e\u003cspan data-offset-key=\"33:0\"\u003e\u003cspan data-slate-leaf=\"true\" data-slate-type=\"span\"\u003e--Full-scenario interconnection: HDMI ARC synchronizes TV volume, Bluetooth 5.3\/optical fiber\/coaxial \/RCA\/USB multi-input, creating 2.1 channels.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-style=\"{}\" data-slate-type=\"p\" data-key=\"56\"\u003e\u003cspan data-key=\"61\" class=\"slate-node-text\"\u003e\u003cspan data-offset-key=\"61:0\"\u003e\u003cstrong data-slate-type=\"strong\" data-slate-leaf=\"true\"\u003e\u003cspan data-slate-type=\"span\" data-slate-leaf=\"true\"\u003eCustomizable Sound\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-style=\"{}\" data-slate-type=\"p\" data-key=\"56\"\u003e\u003cem\u003e\u003cspan data-key=\"61\" class=\"slate-node-text\"\u003e\u003cspan data-offset-key=\"61:0\"\u003e\u003cspan data-slate-type=\"span\" data-slate-leaf=\"true\"\u003e--Free customization of tone｜Interchangeable op amp  3-band EQ tone  ±12dB adjustment, precise adjustment of vocals\/low frequency.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-style=\"{}\" data-slate-type=\"p\" data-key=\"64\"\u003e\u003cem\u003e\u003cspan data-key=\"65\" class=\"slate-node-text\"\u003e\u003cspan data-offset-key=\"65:0\"\u003e\u003cspan data-slate-type=\"span\" data-slate-leaf=\"true\"\u003e--BASS, MID, TREBLE for 100Hz, 1000Hz, 10000Hz frequency bands respectively independent adjustment (±12dB) \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3 data-style=\"{}\" data-slate-type=\"p\" data-key=\"64\"\u003e\u003cspan data-key=\"65\" class=\"slate-node-text\"\u003e\u003cspan data-offset-key=\"65:0\"\u003e\u003cspan data-slate-type=\"span\" data-slate-leaf=\"true\"\u003eMain output with high-pass filter and bypass\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003e\u003cstrong\u003e\u003cem\u003e\u003cspan data-key=\"65\" class=\"slate-node-text\"\u003e\u003cspan data-offset-key=\"65:0\"\u003e\u003cspan data-slate-type=\"span\" data-slate-leaf=\"true\"\u003e\u003cspan style=\"color: rgb(0, 170, 255);\"\u003e60Hz high-pass filter parameters：\u003c\/span\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003e\u003cstrong\u003e\u003cem\u003e\u003cspan data-key=\"65\" class=\"slate-node-text\"\u003e\u003cspan data-offset-key=\"65:0\"\u003e\u003cspan data-slate-type=\"span\" data-slate-leaf=\"true\"\u003e5th order Butterworth; 60Hz passband; \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003eStopband: Fs: 45Hz, Asb: -12.00 dB\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 170, 255);\"\u003e\u003cstrong\u003e\u003cem\u003e\u003cspan data-key=\"65\" class=\"slate-node-text\"\u003e\u003cspan data-offset-key=\"65:0\"\u003e\u003cspan data-slate-type=\"span\" data-slate-leaf=\"true\"\u003e80Hz high-pass filter parameters： \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003e\u003cstrong\u003e\u003cem\u003e\u003cspan data-key=\"65\" class=\"slate-node-text\"\u003e\u003cspan data-offset-key=\"65:0\"\u003e\u003cspan data-slate-type=\"span\" data-slate-leaf=\"true\"\u003e5th order Butterworth; 80Hz passband;  \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003eStopband: Fs: 60 Hz, Asb: -12.00 dB\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 170, 255);\"\u003e\u003cstrong\u003e\u003cem\u003e\u003cspan data-key=\"65\" class=\"slate-node-text\"\u003e\u003cspan data-offset-key=\"65:0\"\u003e\u003cspan data-slate-type=\"span\" data-slate-leaf=\"true\"\u003e120Hz high-pass filter parameters： \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(64, 64, 64);\"\u003e\u003cstrong\u003e\u003cem\u003e\u003cspan data-key=\"65\" class=\"slate-node-text\"\u003e\u003cspan data-offset-key=\"65:0\"\u003e\u003cspan data-slate-type=\"span\" data-slate-leaf=\"true\"\u003e5th order Butterworth; 120Hz passband;  \u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003eStopband: Fs: 90 Hz, Asb: -12.00 dB\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-key=\"65\" class=\"slate-node-text\"\u003e\u003cspan data-offset-key=\"65:0\"\u003e\u003cspan data-slate-type=\"span\" data-slate-leaf=\"true\"\u003e\u003cimg\u003e\u003cimg\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0634\/1558\/2772\/files\/752d0a1af97809ba8bcd6984e5d68889.jpg?v=1765330919\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Onoorus Audio","offers":[{"title":"NO POWER","offer_id":47328359874612,"sku":null,"price":159.0,"currency_code":"USD","in_stock":true},{"title":"GaN 48V5A","offer_id":47328359907380,"sku":null,"price":189.0,"currency_code":"USD","in_stock":true},{"title":"GaN 48V10A","offer_id":47328359841844,"sku":null,"price":230.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/1558\/2772\/files\/20251126203807_1837_2.jpg?v=1765289231","url":"https:\/\/www.o-noorus.com\/es\/products\/o-noorus-d4-pro-tpa3255-pffb-stereo-hpf-lpf-amplifier-with-balance-hdmi-arc-bluetooth-usb-optical-coaxial-rca-input-3-band-stereo-eq-tone-and-bypass","provider":"Onoorus Audio","version":"1.0","type":"link"}