{"product_id":"deaf-bonce-machete-mfa-4-220-4-channel-class-d-amplifier-330w-rms-4-at-2-ohms","title":"Deaf Bonce Machete MFA-4.220 4-Channel Class D Amplifier – 330W RMS × 4 at 2 Ohms","description":"\u003cp\u003eThe \u003cstrong\u003eDeaf Bonce Machete MFA-4.220\u003c\/strong\u003e is a four-channel Class D full-range amplifier delivering \u003cstrong\u003e330W RMS per channel at 2 ohms\u003c\/strong\u003e, for 1,320W total. It also provides 220W per channel at 4 ohms, or 660W per bridged pair into 4 ohms.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eModel \/ SKU\u003c\/th\u003e\n\u003ctd\u003eMFA-4.220\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eClass \/ channels\u003c\/th\u003e\n\u003ctd\u003eClass D \/ 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRMS output at 4 ohms (14.4V)\u003c\/th\u003e\n\u003ctd\u003e220W × 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRMS output at 2 ohms (14.4V)\u003c\/th\u003e\n\u003ctd\u003e330W × 4 (1,320W total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBridged RMS output at 4 ohms\u003c\/th\u003e\n\u003ctd\u003e660W × 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMinimum stereo \/ bridged load\u003c\/th\u003e\n\u003ctd\u003e2 ohms per channel \/ 4 ohms bridged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFrequency response\u003c\/th\u003e\n\u003ctd\u003e20 Hz–20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHigh-pass filter\u003c\/th\u003e\n\u003ctd\u003e50 Hz–12 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLow-pass filter\u003c\/th\u003e\n\u003ctd\u003e50 Hz–12 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSimultaneous LPF and HPF\u003c\/th\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCrossover slope\u003c\/th\u003e\n\u003ctd\u003e12 dB\/octave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInput sensitivity\u003c\/th\u003e\n\u003ctd\u003e0.4–8V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSignal-to-noise ratio\u003c\/th\u003e\n\u003ctd\u003e≥90 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOperating voltage\u003c\/th\u003e\n\u003ctd\u003e9–15V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePower input terminals\u003c\/th\u003e\n\u003ctd\u003e4 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSpeaker output terminals\u003c\/th\u003e\n\u003ctd\u003e10 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eChassis dimensions\u003c\/th\u003e\n\u003ctd\u003e10.5 × 6 × 2.2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eThe adjustable high-pass and low-pass filters can operate simultaneously for band-pass speaker applications. Check mounting clearance and observe the minimum load requirements when wiring your system.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/support.alphard.audio\/media\/product-assets\/2026\/05\/email-attachments-2026-05-20\/manual-3-c58a4dd1.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload the manufacturer’s installation manual\u003c\/a\u003e\u003c\/p\u003e","brand":"Deaf Bonce","offers":[{"title":"Default Title","offer_id":67737122308256,"sku":"MFA-4.220","price":289.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/5308\/3808\/files\/deaf-bonce-machete-mfa-4-220-01.jpg?v=1792449099","url":"https:\/\/www.seriousinnovations.com\/products\/deaf-bonce-machete-mfa-4-220-4-channel-class-d-amplifier-330w-rms-4-at-2-ohms","provider":"Serious Innovations","version":"1.0","type":"link"}