{"product_id":"hifonics-hac-1500-1d-1500w-mono-car-amplifier","title":"Hifonics HAC-1500.1D 1500W Mono Car Amplifier","description":"\u003cp\u003eThe Hifonics Colossus PRO HAC-1500.1D is a mono Class D car audio amplifier designed to power a subwoofer system from a compact single-channel platform. It provides up to 1 x 1500 watts at 1 ohm, with lower-power options at 2 and 4 ohms. This makes it suitable for systems where the subwoofer wiring and amplifier output need to be matched carefully.\u003c\/p\u003e\u003cp\u003eBuilt for bass-focused installations, the HAC-1500.1D offers adjustable crossover controls to help blend a subwoofer with the rest of a vehicle audio system. Its variable high-pass and low-pass filters allow installers to set the amplifier's operating range for the speakers being used. A variable bass boost control and included wired bass remote add convenient level adjustment.\u003c\/p\u003e\u003cp\u003eThe amplifier uses Hifonics Super D-Class, half-bridge amplifier architecture intended to provide efficient power delivery. Its full-range Class D chipset can support a range of driver applications, although its single mono channel is commonly used for subwoofer duty. The 1-ohm-stable design gives installers flexibility when wiring compatible subwoofer voice coils.\u003c\/p\u003e\u003cp\u003eSignal and thermal management features support integration into a dedicated car audio build. The HAC-1500.1D has nickel-plated RCA inputs, a mono preamp output for passing signal to another amplifier, and an input sensitivity range of 0.2 to 8 volts. Variable-speed fan cooling and an extruded aluminum heat sink help manage operating temperature during use.\u003c\/p\u003e\u003cp\u003eFor system protection, this amplifier includes over\/under-voltage, short-circuit, and thermal protection circuits. A delayed turn-on function is designed to reduce turn-on and turn-off noises when used with compatible source units. It requires proper power wiring, a 125A external fuse, secure grounding, and adequate ventilation for installation.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono Power Output:\u003c\/strong\u003e Delivers 1500 watts x 1 at 1 ohm, with 750 watts at 2 ohms and 375 watts at 4 ohms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Ohm Stability:\u003c\/strong\u003e Supports compatible subwoofer wiring down to a 1-ohm final load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariable Crossovers:\u003c\/strong\u003e Includes adjustable 15Hz-1kHz high-pass and 50Hz-10kHz low-pass filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass Level Control:\u003c\/strong\u003e Includes 0-12dB bass boost and a wired bass remote for accessible adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Connectivity:\u003c\/strong\u003e Uses RCA-level inputs and includes a mono preamp output for amplifier expansion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Circuits:\u003c\/strong\u003e Provides voltage, short-circuit, and thermal protection for safer operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDesign \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eThe HAC-1500.1D uses Ultra-Fi MOSFET output devices, a multi-layer PCB with surface-mount components, and an iron-core transformer. Its chassis combines a mass-loaded extruded aluminum heat sink with variable-speed fan cooling. Secure molded terminals, illuminated Hifonics branding, and a CNC-machined Colossus badge complete the amplifier's physical design.\u003c\/p\u003e\u003cp\u003eMount the amplifier on a secure surface with airflow around it and do not install it upside down. Use 0 AWG power and ground cable, install the specified 125A external fuse within 18 inches of the battery, and connect a clean chassis ground near the amplifier. RCA signal cables, a remote turn-on lead, compatible subwoofer wiring, and professional gain\/crossover setup are recommended for a complete installation.\u003c\/p\u003e","brand":"Hifonics","offers":[{"title":"Default Title","offer_id":45631919554630,"sku":"HAC1500-1D","price":307.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/4163\/5910\/files\/51i4EJyT4UL.jpg?v=1784388342","url":"https:\/\/audiowatt.store\/products\/hifonics-hac-1500-1d-1500w-mono-car-amplifier","provider":"Audio Watt Store","version":"1.0","type":"link"}