{"product_id":"jbl-audio-stage-gt50011-500w-mono-amplifier","title":"JBL AUDIO STAGE GT50011 500W MONO AMPLIFIER","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\" dir=\"auto\"\u003eA second-generation Stage GT Series mono Class D car amplifier from JBL, the Stage GT50011 delivers 300W RMS at 4Ω and 500W RMS at 2Ω (1220W peak) with an OEM Load Detect System for seamless factory system integration, variable lowpass filter (32-320Hz), variable bass boost (0-12dB at adjustable Q factor), variable phase adjustment (0-180°), high-level and low-level inputs, Start-Stop vehicle compatibility, LED power and protection indicator, 4-way protection circuitry, and an included wired bass level remote control.\u003c\/p\u003e\n\u003cp\u003eFeatures \u0026amp; Benefits\u003cbr\u003e500W RMS at 2Ω - 2Ω Stable Mono Class D: The Stage GT50011 delivers 300W RMS at 4Ω and 500W RMS at 2Ω with a 1220W peak rating, providing sufficient power reserves for a wide range of subwoofer configurations in 4Ω and 2Ω loads.\u003c\/p\u003e\n\u003cp\u003eOEM Load Detect System - Seamless Factory Integration: The new OEM Load Detect System ensures the vehicle's power management system automatically recognises and responds to the new amplifier without negatively impacting the vehicle electrical system, enabling cleaner integration into modern vehicles with factory head units and OEM power management.\u003c\/p\u003e\n\u003cp\u003eStart-Stop Vehicle Compatible: Designed for compatibility with Start-Stop vehicle systems, maintaining consistent audio output and battery efficiency during momentary engine stops at traffic lights and stop signs.\u003c\/p\u003e\n\u003cp\u003eVariable Lowpass Filter - 32-320Hz: The variable lowpass filter adjusts from 32Hz to 320Hz to precisely limit the frequency range sent to the subwoofer, enabling crossover optimisation for a wide range of subwoofer and enclosure configurations.\u003c\/p\u003e\n\u003cp\u003eVariable Bass Boost - 0-12dB with Adjustable Q Factor: The variable bass boost from 0 to 12dB with adjustable Q factor allows fine-tuned bass enhancement control, delivering a more tailored low-frequency response for different subwoofer configurations and acoustic environments.\u003c\/p\u003e\n\u003cp\u003eVariable Phase Adjustment - 0-180°: The continuously adjustable phase control from 0° to 180° aligns the subwoofer output phase with the main speaker system for optimal bass integration and maximum output at the crossover point.\u003c\/p\u003e\n\u003cp\u003eHigh-Level and Low-Level Inputs: Low-level RCA inputs (0.2-5V) accept signals from aftermarket head units and DSP processors. High-level speaker-level inputs (1-25V) accept signals directly from factory OEM head unit speaker outputs, providing compatibility with virtually any audio source configuration.\u003c\/p\u003e\n\u003cp\u003eWired Bass Level Remote Control Included: The included wired bass level remote control provides convenient subwoofer level adjustment from the driver's position without requiring direct access to the amplifier after installation.\u003c\/p\u003e\n\u003cp\u003e4-Way Protection Circuitry: Comprehensive protection against thermal overload, electrical overload, undervoltage, and speaker short conditions ensures long-term amplifier reliability in all operating conditions.\u003c\/p\u003e\n\u003cp\u003eLED Power and Protection Indicator: The onboard LED provides real-time status feedback for power-on and protection mode states.\u003c\/p\u003e\n\u003cp\u003eCompact Design: The compact form factor enables installation in tight spaces including under seats and in boot compartments with limited clearance.\u003c\/p\u003e","brand":"JBL Audio","offers":[{"title":"Default Title","offer_id":46456689918037,"sku":"STAGEGT50011","price":369.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/3588\/1045\/files\/Screenshot-2026-10-22-at-10-59-29-am.png?v=1792627310","url":"https:\/\/bankstownsound.com.au\/products\/jbl-audio-stage-gt50011-500w-mono-amplifier","provider":"Bankstown Sound","version":"1.0","type":"link"}