{"product_id":"stereo-integrity-siq-75-4-high-fidelity-4-channel-amplifier-75w-rms-x4-4ω-class-a-b-audiophile-design-full-bandwidth-5hz-150khz-zero-crossovers-eq-amplifier","title":"Stereo Integrity SIQ 75.4 High-Fidelity 4-Channel Amplifier","description":"\u003ch3\u003e\u003cstrong\u003eStereo Integrity SIQ 75.4 Amplifier: Purity at its Finest for Your Soundstage\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"animating\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003eStereo Integrity SIQ 75.4\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esignals the return of true high-fidelity audio engineering to the mobile sound space. Built by audiophiles for the most discerning listeners, this 4-Channel Class A\/B amplifier prioritizes\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esignal integrity\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eabove all else. Its core design features\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ezero filters, zero crossovers, and zero EQ\u003c\/strong\u003e, delivering a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efull bandwidth\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esignal (5 Hz to 150,000 Hz) that is clean, precise, and uncompromised. This is the foundation for an accurate soundstage and breathtaking sonic detail.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eUncompromised Audiophile Construction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEvery component in the SIQ 75.4 was selected for its acoustic performance and durability:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Transistors:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUtilizes\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eaudiophile-grade TO-3 output transistors\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor clean, linear power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInternal Circuitry:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures high-quality\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eUPC4570 op-amps\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIRFPO64N power supply transistors\u003c\/strong\u003e, and sand cast resistors throughout.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConnections:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with premium\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTiffany-style RCA connections\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eaccepting inputs up to 16 Volts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChassis:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProtected by a thick extruded aluminum chassis with a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecopper anodized shielded transformer cover\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto minimize electromagnetic interference, all visible through a large\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eplexiglass viewing window\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eClean Power, Ultra-Low Distortion Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe SIQ 75.4 delivers precise power with unmatched fidelity, validated by\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAudio Precision measurements\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRated RMS Power Output (4 Channels):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e75W RMS x4 @ 4Ω\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Current Output:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e120W RMS x4 @ 2Ω\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBridged Power:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e120W RMS x2 @ 4Ω\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Harmonic Distortion (THD):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAn ultra-low\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.03 %\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSignal-to-Noise Ratio (SNR):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e90 dB\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation and Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePurity Control:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ediscrete gain knob per channel\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor precise level matching.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCompact size at\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e14 x 8 x 2 Inches\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent Draw:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMaximum current draw of 66 amps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SIQ 75.4 is the ideal solution for audiophiles seeking true sound reproduction for their front and rear stage speakers.\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eAmplifiers Specifications\u003cbr\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003ctable width=\"100%\" style=\"width: 100.24%; height: 231.417px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd class=\"top-aligned\" style=\"width: 49.7597%; height: 19.5833px;\"\u003eFrequency Response Minimum\u003c\/td\u003e\n\u003ctd class=\"top-aligned\" style=\"width: 50.123%; height: 19.5833px;\"\u003e5 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5833px;\"\u003e\n\u003ctd style=\"width: 49.7597%; height: 35.5833px;\"\u003e\u003cspan\u003eFrequency Response Maximum\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"top-aligned\" style=\"width: 50.123%; height: 35.5833px;\"\u003e\n\u003cp\u003e\u003cspan\u003e150,000 Hz\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 49.7597%; height: 19.5833px;\"\u003e\u003cspan\u003eSignal-to-Noise Ratio (SNR)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"top-aligned\" style=\"width: 50.123%; height: 19.5833px;\"\u003e90 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 49.7597%; height: 19.5833px;\"\u003e\u003cspan\u003eTotal Harmonic Distortion (THD)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"top-aligned\" style=\"width: 50.123%; height: 19.5833px;\"\u003e0.03 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 49.7597%; height: 19.5833px;\"\u003e\u003cspan\u003eDimensions (W x H x D)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"top-aligned\" style=\"width: 50.123%; height: 19.5833px;\"\u003e14 x 8 x 2 Inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003ctd style=\"width: 49.7597%; height: 39.1667px;\"\u003e\u003cspan\u003eRated RMS power output into all 4 channels at 4 ohm\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"top-aligned\" style=\"width: 50.123%; height: 39.1667px;\"\u003e75 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003ctd style=\"width: 49.7597%; height: 39.1667px;\"\u003e\u003cspan\u003eRated RMS power output into all 4 channels at 2 ohm\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd class=\"top-aligned\" style=\"width: 50.123%;\"\u003e120 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1667px;\"\u003e\n\u003ctd class=\"top-aligned\" style=\"width: 49.7597%; height: 39.1667px;\"\u003eBridged RMS power into 2 channels at 4 ohm\u003c\/td\u003e\n\u003ctd class=\"top-aligned\" style=\"width: 50.123%;\"\u003e120 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 49.7597%;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd class=\"top-aligned\" style=\"width: 50.123%;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\n\u003cbr\u003e\u003cbr\u003ePower\u003cbr\u003e\n\u003c\/h2\u003e\n\u003ctable width=\"100%\" style=\"width: 100.06%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"top-aligned\" style=\"width: 49.6683%;\"\u003eIdle Current Draw\u003c\/td\u003e\n\u003ctd class=\"top-aligned\" style=\"width: 50.0322%;\"\u003e1.2 amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"top-aligned\" style=\"width: 49.6683%;\"\u003eMaximum Current Draw\u003c\/td\u003e\n\u003ctd class=\"top-aligned\" style=\"width: 50.0322%;\"\u003e\u003cspan\u003e66 amps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\n\u003cbr\u003eConnections\u003c\/h2\u003e\n\u003ctable width=\"100%\" style=\"width: 100.06%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"top-aligned\" style=\"width: 70.9548%;\"\u003eRCA Input Maximum\u003c\/td\u003e\n\u003ctd class=\"top-aligned\" style=\"width: 28.7458%;\"\u003e16 Volts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Sundown Audio","offers":[{"title":"Default Title","offer_id":50762343809310,"sku":null,"price":303.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7171\/1262\/files\/75.4-removebg-preview_26688de2-c88e-4499-b057-614941bbbcfb.png?v=1775507226","url":"https:\/\/platinumhpsolutions.com\/products\/stereo-integrity-siq-75-4-high-fidelity-4-channel-amplifier-75w-rms-x4-4%cf%89-class-a-b-audiophile-design-full-bandwidth-5hz-150khz-zero-crossovers-eq-amplifier","provider":"Platinum High Performance Solutions, LLC.","version":"1.0","type":"link"}