{"product_id":"best-12v-car-power-amp-4-channel-ab-car-subwoofer-amplifier-rms-130w-4-2-ohms-strong-bass-woofer-car-speakers-amplifier","title":"KLANG ZM90.4 4-Channel Class AB Car Amplifier — 130W x 4 RMS @ 2 Ohms, Heavy Aluminum Heatsink, 12V Universal","description":"\u003cp\u003eClean, powerful amplification for your car audio system. The KLANG ZM90.4 is a 4-channel Class AB car amplifier delivering 130W RMS per channel at 2 ohms — engineered for strong bass response and multi-speaker setups. The heavy aluminum heatsink ensures efficient thermal management for reliable performance, and the wide audio sensitivity range (320mV–6V) and 10–30kHz frequency response make it compatible with a broad range of head units and speaker configurations. Operates on 10–15V for universal 12V vehicle compatibility. Backed by a 1-year warranty.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e130W x 4 RMS @ 2 ohms\u003c\/strong\u003e — High-output 4-channel amplification for powerful, clean audio across all speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass AB design\u003c\/strong\u003e — Class AB topology delivers an optimal balance of efficiency and audio fidelity for car audio applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy aluminum heatsink\u003c\/strong\u003e — Robust aluminum heatsink construction ensures efficient heat dissipation and long-term reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide audio sensitivity\u003c\/strong\u003e — 320mV to 6V input sensitivity for compatibility with a broad range of head units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10–30kHz frequency response\u003c\/strong\u003e — Extended frequency response for accurate reproduction across the full audio spectrum.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e91–100dB SNR\u003c\/strong\u003e — High signal-to-noise ratio for clean, low-noise audio output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal 12V compatibility\u003c\/strong\u003e — Operates on 10–15V for broad vehicle compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e KLANG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e ZM90.4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Class AB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRMS power:\u003c\/strong\u003e 130W x 4 @ 2 ohms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio sensitivity:\u003c\/strong\u003e 320mV–6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency response:\u003c\/strong\u003e 10–30kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSNR:\u003c\/strong\u003e 91–100dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 10–15V (12V system)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.26kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 year\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eKLANG ZM90.4. 4-channel Class AB. 130W x 4 RMS @ 2 ohms. Heavy aluminum heatsink. 320mV–6V sensitivity. 10–15V. Universal 12V.\u003c\/em\u003e\u003c\/p\u003e","brand":"RPM Tune \u0026 Tech","offers":[{"title":"4Ω \/ 80 W","offer_id":43905556250702,"sku":"191290273:40174303#4Ω;245912207:3592685#80 W","price":114.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/2599\/3294\/files\/H5e4a12922fa2470bbfac1d2b87b7da6cj.webp?v=1782757550","url":"https:\/\/rpm-tune-and-tech.myshopify.com\/products\/best-12v-car-power-amp-4-channel-ab-car-subwoofer-amplifier-rms-130w-4-2-ohms-strong-bass-woofer-car-speakers-amplifier","provider":"RPM Tune \u0026 Tech","version":"1.0","type":"link"}