{"product_id":"soundstream-rsm1-4000d-compact-1-channel-4000w-monoblock-subwoofer-amplifier-1-ohm-stable","title":"Soundstream RSM1.4000D: Compact 1-Channel 4000W Monoblock Subwoofer Amplifier | 1 Ohm Stable","description":"\u003ch2\u003ePowerful, Compact Subwoofer Amplification\u003c\/h2\u003e\n\u003cp\u003eMeet Soundstream RSM1.4000D, a single-channel, Class-D monoblock designed to fit tight trunk spaces while delivering serious bass energy. With a stable 1-ohm operation and a robust heatsink, it balances performance and durability for daily driving in a range of vehicles.\u003c\/p\u003e\n\n\u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eClass-D mono block: efficient power designed for sustained bass\u003c\/li\u003e\n  \u003cli\u003ePower: up to 4,000 watts peak; 1,200 watts RMS at 1 ohm\u003c\/li\u003e\n  \u003cli\u003eVariable low-pass filter: 35–250 Hz, 12 dB\/octave\u003c\/li\u003e\n  \u003cli\u003eVariable subsonic filter: 10–50 Hz, 12 dB\/octave\u003c\/li\u003e\n  \u003cli\u003eVariable bass boost: 0–12 dB at 45 Hz\u003c\/li\u003e\n  \u003cli\u003eFrequency response: 10–250 Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFlexible inputs and protection\u003c\/h3\u003e\n\u003cp\u003eThe amplifier includes a wired dash bass knob for quick level tweaks and supports both high-level speaker inputs and low-level RCA inputs, along with a 30A x 3 fuse setup. Physical size: 3.75\" W x 1.75\" H x 9\" L.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAutomatic turn-on and hi-level sensing\u003c\/li\u003e\n  \u003cli\u003eDirect short, thermal, and overload protection\u003c\/li\u003e\n  \u003cli\u003eHybrid aluminum alloy heatsink for efficient heat management\u003c\/li\u003e\n  \u003cli\u003e250 mV – 8 V high-level or low-level RCA input options\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n\u003cp\u003eInside you’ll find the 1-channel amplifier, a comprehensive owners manual, spare 30A fuses, two 8\" line-level input harnesses, and the wired remote bass knob with an 18 ft cable—everything you need to install right away.\u003c\/p\u003e\n\n\u003ch3\u003eWhy choose Soundstream Reserve Series\u003c\/h3\u003e\n\u003cp\u003eSoundstream Reserve Series emphasizes today’s preferred features, from app-ready source options to premium digital amplification and dedicated subwoofers. The line is built around dealer support and detailed product information to help you tailor a setup that matches your goals.\u003c\/p\u003e\n\n\u003ch3\u003eReal-world use and fit\u003c\/h3\u003e\n\u003cp\u003eFor compact trunk spaces or under-seat installations, this 1-channel amp can power a dedicated sub and shape bass to suit different music styles—from tight, controlled rhythms to punchy bass lines. The adjustable filters and bass boost provide practical controls without overwhelming complexity.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What power and impedance does the Soundstream RSM1.4000D support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It delivers up to 4,000W peak and 1,200W RMS at 1Ω, enabling strong subwoofer performance with stable operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What installation options and inputs are available?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Features RCA and hi-level inputs, automatic turn-on, and a wired bass knob for on-the-fly adjustments.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Soundstream","offers":[{"title":"Default Title","offer_id":48407342842013,"sku":"B0B7CDY6YH","price":190.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/soundstream-rsm1-4000d-front-view.jpg?v=1781151192","url":"https:\/\/nexoltic.com\/products\/soundstream-rsm1-4000d-compact-1-channel-4000w-monoblock-subwoofer-amplifier-1-ohm-stable","provider":"Nexoltic","version":"1.0","type":"link"}