{"product_id":"salt-500-4-4-channel-500x4-amplifier","title":"Sundown Audio SALT-500.4 – 500W x4 RMS 4-Channel Class D Car Amplifier","description":"\u003cp\u003ePower your system with the Sundown Audio SALT-500.4. This 4-channel Class D car amplifier delivers 500W RMS.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePower: 500W RMS\u003c\/li\u003e\n\u003cli\u003eChannels: 4\u003c\/li\u003e\n\u003cli\u003eClass D\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDetails\u003c\/h3\u003e\u003cp\u003eThe Sundown Audio SALT-500.4 4-Channel Car Amplifier delivers 2000W RMS of clean, high-performance sound. Its efficient Class D design delivers full-range clarity while advanced protection features keep your system safe. Perfect for full-range speakers or bridged subwoofers, with optional remote monitoring for real-time control.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eHigh-Power 4-Channel Output:\u003c\/strong\u003e 500W RMS per channel at 4Ω for maximum car audio performance\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eFull-Range Sound:\u003c\/strong\u003e 10Hz–25kHz frequency response delivers crisp highs and deep lows\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eAdjustable Crossovers:\u003c\/strong\u003e Subsonic, high-pass, and low-pass filters with X1\/X10 multipliers for precise tuning\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eAdvanced Protection:\u003c\/strong\u003e Thermal, voltage, speaker short, and DC offset safeguards your system\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eOptional Remote Monitoring:\u003c\/strong\u003e Wired remote shows voltage, temperature, and clipping for real-time control\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eRMS Power Output:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp\u003e500W × 4 @ 4Ω\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e700W × 4 @ 2Ω\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e1400W × 2 @ 4Ω bridged\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eAmplifier Class:\u003c\/strong\u003e Class D Full-Range\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 10 Hz – 25 kHz\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eSignal-to-Noise Ratio (S\/N):\u003c\/strong\u003e 105 dB\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eTotal Harmonic Distortion (THD):\u003c\/strong\u003e \u0026lt; 0.1%\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eDamping Factor:\u003c\/strong\u003e \u0026gt; 400\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eEfficiency:\u003c\/strong\u003e ~75% @ 4Ω \/ 100 Hz\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eInput Sensitivity:\u003c\/strong\u003e 6V – 0.2V\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 9V – 16V (optimized for ~12.8V systems)\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eProtection Features:\u003c\/strong\u003e Thermal, overload, short circuit, over\/under voltage, DC offset\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eIndicators:\u003c\/strong\u003e Power, protect, and clipping LEDs\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eOptional Remote Control:\u003c\/strong\u003e Voltage, temperature, and clipping monitoring\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eFuse Rating:\u003c\/strong\u003e 120A\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 11.82″ (L) × 6.85″ (W) × 2.66″ (H)\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eUPC:\u003c\/strong\u003e 810111130431\u003c\/li\u003e \u003c\/ul\u003e\u003ch3\u003eWhy buy from Stereo-Needs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFree shipping on every order\u003c\/li\u003e\n\u003cli\u003eFamily business with 20+ years selling car audio and 429,000+ items sold on eBay (99.9% positive)\u003c\/li\u003e\n\u003cli\u003eNot sure it fits your vehicle or system? Call or text 951-497-3497 before you order\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sundown Audio","offers":[{"title":"Default Title","offer_id":67692872958061,"sku":"SUN-SALT5004","price":999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0841\/0657\/5981\/files\/salt-5004-4-channel-500x4-amplifier-524266_81a4ca77-7fd6-49aa-8333-234e1972f166.png?v=1791611006","url":"https:\/\/stereoneeds.com\/products\/salt-500-4-4-channel-500x4-amplifier","provider":"Stereo-Needs","version":"1.0","type":"link"}