{"product_id":"sundown-audio-4-5-channel-class-d-full-range-car-amplifier-sfb-1-ohm-brazilian-style-amp-with-variable-hpf-lpf-bass-boost-clipping-remote-for-car-marine-audio-sfb-1800-5-5-channel","title":"Sundown Audio 4\/5-Channel Class D Full Range Car Amplifier SFB 1 Ohm, Brazilian Style Amp with Variable HPF\/LPF, Bass Boost, Clipping Remote for Car \u0026 Marine Audio (SFB-1800.5-5-Channel)","description":"\u003cp\u003eThe Sundown Audio SFB200.4D unleashes serious power, a high-performance full-bridge Class D 4-channel amplifier engineered for reliability and versatility.\u003c\/p\u003e\u003cp\u003eCompact yet powerful, this amp delivers 75 watts x 4 at 4 ohms and 125 watts x 4 at 2 ohms, making it ideal for car, marine, or PA mid\/high systems.\u003c\/p\u003e\u003cp\u003eThe SFB200.4D is stable at 1 ohm and allows you to connect multiple speakers per channel—an excellent option for budget-friendly builds that demand serious volume.\u003c\/p\u003e\u003cp\u003eIt features variable high-pass and low-pass filters (15–6000 Hz), bass boost of 0–12 dB, and input sensitivity adjustment for both low and high-level signals.\u003c\/p\u003e\u003cp\u003eAdvanced safety circuits protect against thermal overload, voltage spikes, speaker shorts, and DC offset issues.\u003c\/p\u003e\u003cp\u003eWith a sleek, compact design and an impressive 100 dB signal-to-noise ratio, the SFB200.4D guarantees clean, distortion-free audio even at high power.\u003c\/p\u003e\u003cp\u003eBacked by a 1-year manufacturer’s warranty and engineered with durability in mind, this amp brings professional-grade performance within reach.\u003c\/p\u003e\u003cp\u003eWhether you're building a marine setup or a competition-level car audio system, Sundown’s SFB series is built to impress.\u003c\/p\u003e","brand":"Sundown Audio","offers":[{"title":"Default Title","offer_id":51747912646938,"sku":"SDNA-SFB18005","price":499.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8942\/8506\/files\/41GkQ6S_IFL.jpg?v=1772016739","url":"https:\/\/trybeepbeep.com\/products\/sundown-audio-4-5-channel-class-d-full-range-car-amplifier-sfb-1-ohm-brazilian-style-amp-with-variable-hpf-lpf-bass-boost-clipping-remote-for-car-marine-audio-sfb-1800-5-5-channel","provider":"TryBeepbeep","version":"1.0","type":"link"}