{"product_id":"alpine-ktp-445u-powerpack-amplifier","title":"ALPINE Powerpack Amplifier - KTP-445U","description":"\u003cp\u003eThe KTP-445U Universal Power Pack amplifies the head unit power output, resulting in up to a 150 percent power increase over the original power from the head unit’s built-in amplifier. Add higher output and more dynamic response with this easy-to-install head unit power upgrade.\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv class=\"full-shop columns masonry-shop-item specs-six\"\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFor aftermarket and factory installed systems\u003c\/li\u003e\n\u003cli\u003eCompact size\u003c\/li\u003e\n\u003cli\u003e4-channel Amplifier\u003c\/li\u003e\n\u003cli\u003e45 Watts x 4 @ 4Ω\/2Ω\u003c\/li\u003e\n\u003cli\u003e90 Watts x 2 @ 4Ω Bridged\u003c\/li\u003e\n\u003cli\u003eFuse: 15A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"full-shop columns masonry-shop-item specs-six\"\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePower Output\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePer Channel, Ref: 14.4V, 4ohms, @ \u0026lt; 1% THD+N: 45W RMS x 4\u003c\/li\u003e\n\u003cli\u003ePer Channel, Ref: 14.4V, 2ohms, @ \u0026lt; 1% THD+N: 45W RMS x 4\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eS\/N Ratio\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIHF A-wtd + AES-17, Ref: 1 W into 4 ohms: 82dB\u003c\/li\u003e\n\u003cli\u003eIHF A-wtd + AES-17, Ref: Rated Power into 4 ohms: 98dB\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e+0 \/ -3 dB, Ref: 1 W into 4 ohms 15Hz – 45kHz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u0026gt; 10k ohms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInput Sensitivity\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRef: Rated Power into 4 ohms, RCA Inputs: 0,2 – 4,0 V\u003c\/li\u003e\n\u003cli\u003eRef: Rated Power into 4 ohms, Speaker Level Inputs: 0,5 – 10,0 V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCrossover\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCh 1 \/ 2: Selectable HPF (-12 dB\/oct.), defeatable: Off\/60\/80\/120Hz\u003c\/li\u003e\n\u003cli\u003eCh 3 \/ 4: Selectable HPF (-12 dB\/oct.), defeatable: Off\/60\/80\/120Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWidth: 189.0mm (7-7\/16”)\u003c\/li\u003e\n\u003cli\u003eHeight: 38.2mm (1-1\/2”)\u003c\/li\u003e\n\u003cli\u003eDepth: 64.5mm (2-1\/2”)\u003c\/li\u003e\n\u003cli\u003eWeight: 0.8kg (1,5lbs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cspan id=\"zoho_button_ext\" style=\"display: none; position: absolute; z-index: 99999999; width: 80px; height: 31px; background-image: url('chrome-extension:\/\/ddafdejlekcmnafgnbllcfkebabhabcl\/images\/zshare.png'); background-size: 80px 31px; opacity: 0.9; cursor: pointer; top: 0px; left: 0px;\"\u003e\u003c\/span\u003e","brand":"Alpine","offers":[{"title":"Default Title","offer_id":46973813031100,"sku":"KTP-445U","price":269.96,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/5704\/8252\/files\/KTP_445U_TOP-1024x576_1d60726a-3776-46c3-80e5-754735f74761.png?v=1781688673","url":"https:\/\/audioemporium.com.au\/products\/alpine-ktp-445u-powerpack-amplifier","provider":"Audio Emporium","version":"1.0","type":"link"}