{"product_id":"hertz-sp-4-500-d-class-4-channel-amplifier-125-w-rms-x-4-at-2ω","title":"Hertz SP-4.500 D-Class 4 Channel Amplifier 125 W RMS x 4 at 2Ω","description":"\u003cp\u003eThe \u003cstrong\u003eHertz SP-4.500 D-Class 4 Channel Amplifier\u003c\/strong\u003e is a powerhouse in a compact form, delivering 125W RMS per channel at 2Ω. Featuring Advanced D-Class technology for up to 85% efficiency, this amplifier is ideal for motorcycles, sports cars, and trucks, fitting seamlessly into tight spaces. With Universal Speaker Simulators (USS) to accommodate head units with speaker load detection, it ensures versatility and high performance in any setup.\u003c\/p\u003e\n\u003cp\u003eExperience exceptional audio quality with the \u003cstrong\u003eHertz SP-4.500 D-Class 4 Channel Amplifier\u003c\/strong\u003e. Boasting an ultra-compact size and Advanced D-Class output stage, it delivers 90W RMS per channel at 4Ω and 300W RMS bridged at 4Ω. Designed for efficiency and performance, it features USS technology, making it compatible with a variety of head units. Perfect for under-seat or behind-seat installations, this amplifier combines power and versatility.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eHertz SP-4500 D-Class 4 Channel Amplifier \u003c\/strong\u003ebrings unmatched power and efficiency to your car audio system. With a power rating of 125W RMS per channel at 2Ω and a compact design, it's perfect for tight spaces. The Advanced D-Class output stage ensures up to 85% efficiency, while the USS feature allows it to work with head units that have speaker load detection. Ideal for motorcycles, sports cars, and trucks, this amplifier delivers robust performance in a small package.\u003c\/p\u003e\n\u003ch3\u003eHighlights:\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Handling:\u003c\/strong\u003e 125W RMS x 4 at 2Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e Up to 85% thanks to ADC (Advanced D-Class) output stage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Ultra-compact dimensions of 192.7 x 130 x 49 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatility:\u003c\/strong\u003e Compatible with head units featuring \"speaker load detection\" through USS (Universal Speakers Simulators)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Power:\u003c\/strong\u003e 90 x 4 RMS at 4Ω or 300 W x 2 RMS bridged at 4Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD:\u003c\/strong\u003e Low distortion at \u0026lt;0.02% THD @ 1 kHz, 4Ω, 70% Rated Power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDamping Factor:\u003c\/strong\u003e \u0026gt;150 at 1 kHz, 4Ω, 2 VRMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBandwidth:\u003c\/strong\u003e Wide frequency response from 10 Hz to 35 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal-to-Noise Ratio:\u003c\/strong\u003e 100 dBA (A weighted @ 1 V Input)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-In Sensitivity:\u003c\/strong\u003e Adjustable from 0.6 to 6 VRMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeaker-In Sensitivity:\u003c\/strong\u003e Adjustable from 2.2 to 22 VRMS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e Nominal power supply voltage of 11 to 15 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP Rating:\u003c\/strong\u003e IP55, ensuring durability in various environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature Range:\u003c\/strong\u003e 0°C (32°F) to 55°C (131°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Lightweight at 2.15 kg (4.74 lbs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Crossovers:\u003c\/strong\u003e Yes, for fine-tuning the audio output\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThe Hertz SP-4.500 D-Class 4 Channel Amplifier is engineered to deliver powerful, high-quality audio in a compact and efficient package, making it the perfect choice for various vehicle applications.\u003c\/p\u003e\n\u003c!----\u003e","brand":"HERTZ","offers":[{"title":"Default Title","offer_id":42028935020614,"sku":"Hertz SP4500","price":404.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/71ceIedBoRL.jpg?v=1722366765","url":"https:\/\/audiowatt.store\/products\/hertz-sp-4-500-d-class-4-channel-amplifier-125-w-rms-x-4-at-2%cf%89","provider":"Audio Watt","version":"1.0","type":"link"}