{"title":"Down4Sound Signal Processors","description":"\u003cp\u003eShop 16+ \u003cstrong\u003eDown4Sound Signal Processors\u003c\/strong\u003e at JS Ultimate Sounds, your authorized Down4Sound dealer. Bass knobs, line-out converters, and DSPs for dialing in your system. All in stock with fast, free shipping and expert support — order online or call our team to build the perfect system.\u003c\/p\u003e","products":[{"product_id":"down4sound-bass-max-pro-bass-restoration-processor","title":"Down4Sound Bass Max Pro Bass Restoration Processor","description":"\u003cp\u003eThe \u003cstrong\u003eDOWN4SOUND Bass Max Pro \u003c\/strong\u003e is a bass restoration processor designed to recover lost low-frequency content and restore deeper, more powerful bass in car audio systems. Many factory radios, streaming sources, and compressed music formats reduce bass information before it reaches your amplifier. The Bass Max Pro restores these missing low frequencies so your subwoofer system can deliver stronger, fuller bass with improved depth and clarity.\u003c\/p\u003e \u003cp\u003eEngineered with balanced signal inputs, high-headroom circuitry, and precision tuning controls, the Bass Max Pro integrates easily with both factory and aftermarket audio systems. This processor allows users to fine tune bass restoration and enhance low-frequency performance without introducing unwanted distortion.\u003c\/p\u003e \u003chr\u003e\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003eBass restoration processor designed to recover lost low-frequency content\u003c\/li\u003e \u003cli\u003eWide control for adjusting bass enhancement level\u003c\/li\u003e \u003cli\u003eSweep control for targeting bass restoration frequency range\u003c\/li\u003e \u003cli\u003eBalanced signal inputs for improved noise rejection\u003c\/li\u003e \u003cli\u003eHigh headroom circuitry for strong, clean output\u003c\/li\u003e \u003cli\u003eCompatible with factory and aftermarket car audio systems\u003c\/li\u003e \u003cli\u003eDash remote capability for convenient adjustment\u003c\/li\u003e \u003cli\u003eUltra-low distortion circuitry for accurate audio performance\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e\u003ch2\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003e\n\u003ch2\u003eMaximum Input Voltage\u003c\/h2\u003e15V RMS\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMaximum Output Voltage\u003c\/h2\u003e13.2V Peak\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eFrequency Response\u003c\/h2\u003e10Hz – 35kHz\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eTotal Harmonic Distortion\u003c\/h2\u003e0.0025%\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eSignal to Noise Ratio\u003c\/h2\u003e133 dB\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eBalanced Input Noise Rejection\u003c\/h2\u003e\u0026gt;62 dB\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eInput Impedance\u003c\/h2\u003e10kΩ\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eOutput Impedance\u003c\/h2\u003e150Ω\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003ePower Supply\u003c\/h2\u003eHigh headroom PWM design\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eCurrent Draw\u003c\/h2\u003e150 mA\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e\u003ch2\u003e\u003cstrong\u003eControls and Connections\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003eWide control for bass enhancement level\u003c\/li\u003e \u003cli\u003eSweep control for adjustable bass restoration frequency\u003c\/li\u003e \u003cli\u003eBalanced left and right signal inputs\u003c\/li\u003e \u003cli\u003eLeft and right signal outputs\u003c\/li\u003e \u003cli\u003eDash remote connection\u003c\/li\u003e \u003cli\u003eRemote turn-on input\u003c\/li\u003e \u003cli\u003e12V power connection\u003c\/li\u003e \u003cli\u003eGround connection\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e\u003ch2\u003e\u003cstrong\u003eBass Output Setting Guide\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.5V Setting:\u003c\/strong\u003e Recommended for amplifiers up to 3.0V input\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e5.0V Setting:\u003c\/strong\u003e Recommended for amplifiers up to 5.0V input\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e7.5V Setting:\u003c\/strong\u003e Recommended for amplifiers up to 7.5V input\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e10.0V Setting:\u003c\/strong\u003e Recommended for amplifiers up to 10.0V input\u003c\/li\u003e \u003cli\u003eSelecting a higher setting than recommended may result in distortion or signal clipping\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e\u003ch2\u003e\u003cstrong\u003eEngineering and Performance\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003eDesigned to restore bass lost from compressed music and factory audio processing\u003c\/li\u003e \u003cli\u003eHigh-headroom circuitry supports strong output with excellent signal control\u003c\/li\u003e \u003cli\u003eBalanced signal architecture helps reduce unwanted noise in demanding installs\u003c\/li\u003e \u003cli\u003ePrecision sweep tuning allows system-specific bass restoration\u003c\/li\u003e \u003cli\u003eUltra-low distortion performance maintains clarity while enhancing bass\u003c\/li\u003e \u003cli\u003eReliable performance for daily-driven and high-output car audio systems\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e\u003ch2\u003e\u003cstrong\u003eIdeal Applications\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003eFactory audio systems needing stronger bass response\u003c\/li\u003e \u003cli\u003eAftermarket subwoofer systems requiring bass restoration\u003c\/li\u003e \u003cli\u003eDaily-driven car audio systems focused on deeper bass\u003c\/li\u003e \u003cli\u003eHigh-output builds requiring precise low-frequency enhancement\u003c\/li\u003e \u003cli\u003eSystems using compressed digital music sources\u003c\/li\u003e \u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized Down4Sound dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Down4Sound","offers":[{"title":"Pink","offer_id":66828329156653,"sku":"D4S-BASSMAXPRO-PI","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Purple","offer_id":66828329189421,"sku":"D4S-BASSMAXPRO-PU","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Gray","offer_id":66828329222189,"sku":"D4S-BASSMAXPRO-GY","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Teal","offer_id":66828329254957,"sku":"D4S-BASSMAXPRO-TL","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":66828329287725,"sku":"D4S-BASSMAXPRO-GR","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":66828329320493,"sku":"D4S-BASSMAXPRO-OR","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":66828329353261,"sku":"D4S-BASSMAXPRO-RD","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Black Gloss","offer_id":66828329386029,"sku":"D4S-BASSMAXPRO-BKG","price":99.99,"currency_code":"USD","in_stock":true},{"title":"White Gloss","offer_id":66828329418797,"sku":"D4S-BASSMAXPRO-WHG","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":66828329451565,"sku":"D4S-BASSMAXPRO-BL","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/down4sound-bass-max-pro-bass-restoration-processor-w_5ca5fae8-e161-4314-9c8b-affd3e5d47b5.jpg?v=1782676009"},{"product_id":"down4sound-bass-max-pro-mexican-amplifier","title":"Down4Sound Bass Max Pro Mexico Edition Bass Restoration Processor","description":"\u003cp\u003eThe \u003cstrong\u003eDOWN4SOUND Bass Max Pro MX Mexico Edition\u003c\/strong\u003e is a limited edition bass restoration processor designed to recover lost low-frequency content and restore deeper, more powerful bass in car audio systems. Many factory radios, streaming sources, and compressed music formats reduce bass information before it reaches your amplifier. The Bass Max Pro MX restores these missing low frequencies so your subwoofer system can deliver stronger, fuller bass with improved depth and clarity.\u003c\/p\u003e \u003cp\u003eEngineered with balanced signal inputs, high-headroom circuitry, and precision tuning controls, the Bass Max Pro MX integrates easily with both factory and aftermarket audio systems. This processor allows users to fine tune bass restoration and enhance low-frequency performance without introducing unwanted distortion.\u003c\/p\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eMexico MX Limited Edition design featuring exclusive artwork\u003c\/li\u003e \u003cli\u003eBass restoration processor engineered to recover lost low-frequency content\u003c\/li\u003e \u003cli\u003eWide control for adjusting bass enhancement level\u003c\/li\u003e \u003cli\u003eSweep control for targeting bass restoration frequency range\u003c\/li\u003e \u003cli\u003eBalanced signal inputs for improved noise rejection\u003c\/li\u003e \u003cli\u003eHigh headroom circuitry for strong, clean output\u003c\/li\u003e \u003cli\u003eCompatible with factory and aftermarket car audio systems\u003c\/li\u003e \u003cli\u003eDash remote capability for convenient adjustment\u003c\/li\u003e \u003cli\u003eUltra-low distortion signal path for accurate audio performance\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003ch2\u003eMaximum Input Voltage\u003c\/h2\u003e15V RMS\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMaximum Output Voltage\u003c\/h2\u003e13.2V Peak\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eFrequency Response\u003c\/h2\u003e10Hz – 35kHz\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eTotal Harmonic Distortion\u003c\/h2\u003e0.0025%\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eSignal to Noise Ratio\u003c\/h2\u003e133 dB\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eBalanced Input Noise Rejection\u003c\/h2\u003e\u0026gt;62 dB\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eInput Impedance\u003c\/h2\u003e10kΩ\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eOutput Impedance\u003c\/h2\u003e150Ω\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003ePower Supply\u003c\/h2\u003eHigh headroom PWM design\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eCurrent Draw\u003c\/h2\u003e150 mA\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eControls and Connections\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eWide control for bass enhancement level\u003c\/li\u003e \u003cli\u003eSweep control for adjustable bass restoration frequency\u003c\/li\u003e \u003cli\u003eBalanced left and right signal inputs\u003c\/li\u003e \u003cli\u003eLeft and right signal outputs\u003c\/li\u003e \u003cli\u003eDash remote connection\u003c\/li\u003e \u003cli\u003eRemote turn-on input\u003c\/li\u003e \u003cli\u003e12V power connection\u003c\/li\u003e \u003cli\u003eGround connection\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eIdeal Applications\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eFactory audio systems needing stronger bass response\u003c\/li\u003e \u003cli\u003eAftermarket subwoofer systems requiring bass restoration\u003c\/li\u003e \u003cli\u003eDaily-driven car audio systems focused on deeper bass\u003c\/li\u003e \u003cli\u003eHigh-output builds requiring precise low-frequency enhancement\u003c\/li\u003e \u003cli\u003eSystems using compressed digital music sources\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eMexico Edition MX\u003c\/strong\u003e\u003c\/h2\u003e \u003cp\u003eThe \u003cstrong\u003eBass Max Pro MX Mexico Edition\u003c\/strong\u003e features exclusive artwork and the phrase \u003cstrong\u003eEl Alma Del Bajo\u003c\/strong\u003e, meaning \u003cstrong\u003eThe Soul of the Bass\u003c\/strong\u003e. This limited edition design celebrates the energy and passion of bass culture while delivering the same high-performance signal processing expected from Down4Sound.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized Down4Sound dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Down4Sound","offers":[{"title":"Default Title","offer_id":66828388040749,"sku":"D4S-BASSMAXPRO-MEXICAN","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/down4sound-bass-max-pro-mexican-amplifier-w_7192d1de-45d9-413b-a07f-1a468fcc300f.jpg?v=1782676013"},{"product_id":"down4sound-hi-low-2i-intelligent-car-audio-2ch-line-out-with-clip-detection","title":"Down4Sound HI Low 2I - Intelligent Car Audio 2CH Line OUT With Clip Detection Amplifier","description":"\u003cp\u003eThe \u003cstrong\u003eDOWN4SOUND HI-LOW 2i\u003c\/strong\u003e is a compact 2-channel high-to-low line output converter designed to integrate factory audio systems with aftermarket amplifiers. It converts high-level speaker signals from an OEM head unit into a clean low-level RCA output, making it easy to add amplifiers without replacing the factory radio.\u003c\/p\u003e \u003cp\u003eWith a maximum input level of 9.5VRMS per channel and a clean 3VRMS RCA output, the HI-LOW 2i provides stable signal conversion while maintaining excellent audio clarity. Its compact design allows for flexible installation in modern vehicles where factory radios often lack dedicated preamp outputs.\u003c\/p\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e2-channel high-to-low line output converter\u003c\/li\u003e \u003cli\u003eConverts factory speaker outputs to RCA outputs\u003c\/li\u003e \u003cli\u003eCompact design for easy installation\u003c\/li\u003e \u003cli\u003eClean signal conversion for aftermarket amplifier integration\u003c\/li\u003e \u003cli\u003eWorks with factory audio systems lacking RCA outputs\u003c\/li\u003e \u003cli\u003eDesigned for reliable OEM system integration\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003ch2\u003eChannels\u003c\/h2\u003e2\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eMaximum Input Level\u003c\/h2\u003e9.5VRMS \/ 13V Peak\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eOutput Signal\u003c\/h2\u003e3VRMS RCA output\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eTotal Harmonic Distortion (THD)\u003c\/h2\u003e0.01%\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eSignal-to-Noise Ratio\u003c\/h2\u003e110 dB\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eFrequency Response\u003c\/h2\u003e32Hz – 70kHz ±1dB\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eElectrical\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003ch2\u003eRecommended Fuse Rating\u003c\/h2\u003e1A\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eCurrent Draw\u003c\/h2\u003e150mA\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eOperating Voltage\u003c\/h2\u003e6.5V – 17V\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003ePhysical Dimensions\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003ch2\u003eDimensions\u003c\/h2\u003e3.4\" L × 3.2\" D × 1.5\" H\u003c\/li\u003e \u003cli\u003e\n\u003ch2\u003eWeight\u003c\/h2\u003e1.0 lb (0.5 kg)\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch2\u003e\u003cstrong\u003eIdeal Applications\u003c\/strong\u003e\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eAdding amplifiers to factory audio systems\u003c\/li\u003e \u003cli\u003eVehicles without RCA preamp outputs\u003c\/li\u003e \u003cli\u003eOEM radio integration for aftermarket audio upgrades\u003c\/li\u003e \u003cli\u003eCompact installations where space is limited\u003c\/li\u003e \u003cli\u003eDaily-driven car audio systems needing clean signal conversion\u003c\/li\u003e \u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized Down4Sound dealer at JS Ultimate Sounds. Free shipping on orders $99+.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Down4Sound","offers":[{"title":"Default Title","offer_id":66828388073517,"sku":"HILOC2I","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8096\/4909\/files\/down4sound-hi-low-2i-intelligent-car-audio-2ch-line-out-with-clip-detection-w_bc92c3e2-b0e7-4b89-a14a-98bd22ae2a57.jpg?v=1782676390"},{"product_id":"down4sound-d4s-ax5s-5-way-digital-powered-crossover","title":"Down4Sound D4S-AX5S 5-WAY Digital Powered Crossover Signal Processor","description":"\u003cp\u003eThe \u003cstrong\u003eDown4Sound D4S AX5S 5 Way Digital Crossover\u003c\/strong\u003e is designed for car audio enthusiasts and professional installers who want precise system control without the complexity of software based DSP processors. Instead of relying on apps, laptops, or layered menus, the AX5S delivers direct digital crossover control through hands on, real time adjustment knobs.\u003c\/p\u003e \u003cp\u003eThis approach allows you to tune your system instantly while listening, making it easier to dial in crossover points, balance output levels, and refine bass response without interrupting the listening experience.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003eComplete System Frequency Control\u003c\/h3\u003e \u003cp\u003eThe AX5S provides dedicated \u003cstrong\u003esubwoofer, front, and rear outputs\u003c\/strong\u003e, giving you full frequency management across your entire audio system. Each output section features independent level controls and adjustable filtering so every speaker receives only the frequencies it is designed to play.\u003c\/p\u003e \u003cp\u003eHigh pass, low pass, and band pass filters allow accurate crossover tuning for multi amplifier systems. A built in subsonic filter protects subwoofers from damaging ultra low frequencies, while bass boost and phase control help fine tune low end impact and integration.\u003c\/p\u003e \u003cp\u003eA wired remote bass level control is included, allowing convenient subwoofer adjustment directly from the driver’s seat.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003eDesigned for Clean Signal and Long Term Reliability\u003c\/h3\u003e \u003cp\u003eThe AX5S is built with sound quality and durability in mind. High quality Tiffany style RCA inputs ensure a secure, low noise connection, while gold plated terminals maintain strong signal transfer over time. Internal fuse protection and a compact, rugged chassis make the AX5S suitable for daily driven vehicles, competition builds, and professional installations.\u003c\/p\u003e \u003cp\u003eWith a strong 9 volt RMS output and low total harmonic distortion, the AX5S delivers clean, consistent signal to your amplifiers.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003eIdeal Use Cases\u003c\/h3\u003e \u003cp\u003eThe D4S AX5S is ideal for active car audio systems, multi amplifier setups, bass focused builds, and SQL systems that require precise crossover control without digital complexity. It is especially well suited for installers and enthusiasts who prefer physical tuning controls and immediate feedback.\u003c\/p\u003e \u003chr\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eFive way digital active crossover\u003c\/li\u003e \u003cli\u003eIndependent level controls for subwoofer, front, and rear outputs\u003c\/li\u003e \u003cli\u003eHigh pass, low pass, and band pass filtering\u003c\/li\u003e \u003cli\u003eBuilt in subsonic filter for subwoofer protection\u003c\/li\u003e \u003cli\u003eBass boost control from 0 to 12 dB\u003c\/li\u003e \u003cli\u003eSelectable subwoofer phase control at 0 or 180 degrees\u003c\/li\u003e \u003cli\u003eWired remote bass level control included\u003c\/li\u003e \u003cli\u003eStrong 9 volt RMS output\u003c\/li\u003e \u003cli\u003eHigh quality Tiffany RCA inputs\u003c\/li\u003e \u003cli\u003eGold plated terminals\u003c\/li\u003e \u003cli\u003eFuse protected design\u003c\/li\u003e \u003cli\u003eCompact chassis for easy installation\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eCrossover type: 5 way digital active\u003c\/li\u003e \u003cli\u003eFrequency response: 10 Hz to 50 kHz\u003c\/li\u003e \u003cli\u003eOutput voltage: 9 V RMS\u003c\/li\u003e \u003cli\u003eSignal to noise ratio: 93 dB\u003c\/li\u003e \u003cli\u003eChannel separation: 60 dB\u003c\/li\u003e \u003cli\u003eTotal harmonic distortion: less than 0.01 percent\u003c\/li\u003e \u003cli\u003eInput and output connections: RCA\u003c\/li\u003e \u003cli\u003eRemote output: 12 V\u003c\/li\u003e \u003cli\u003eFuse rating: 3 amps\u003c\/li\u003e \u003cli\u003eDimensions: 190 × 140 × 38 mm\u003c\/li\u003e \u003cli\u003eDimensions in inches: approximately 7.48 × 5.51 × 1.50 inches\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e \u003ch3\u003eWhy Choose the AX5S\u003c\/h3\u003e \u003cp\u003eThe AX5S delivers digital crossover performance with the simplicity of physical controls. It allows fast, accurate tuning without software, provides complete control over subwoofer, front, and rear outputs, and is built with the reliability and signal quality expected in serious car audio systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized Down4Sound dealer at JS Ultimate Sounds. 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