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{"id":14725767463277,"title":"QA4-2000 Quantum Bridgeable 4 Channel Amp 1000W","handle":"qa4-2000","description":"\u003cp\u003e\u003cstrong\u003eQA4-2000 : 4-Channel Class A\/B Amplifier\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4 Channel Full Range Class AB Circuitry\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e2Ω Stereo load Capability\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLow level RCA inputs\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eVariable Crossover: HPF\/LPF\/Full\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBridgeable outputs @ 4Ω load\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompatible with any 4\/2Ω Loudspeaker\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHigh Efficiency Mosfet Design\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eQ-Sink Heat Management System\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e4 X 125 Watts @ 4Ω\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e4 x 250 Watts @ 2Ω\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e2 x 500 Watts @ 4Ω (Bridged)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBandwidth : 18Hz - 22KHz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInput Sensitivity: 200Mv – 8V\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCrossover filter slope in Stereo: 12dB\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eChannel 1-2 HP filter range: 32 Hz - 2 KHz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eChannel 3-4 HP filter range: 32Hz - 2KHz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eChannel 3-4 LP filter range: 50Hz - 250Hz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMinimum Load : 2 Ω Stereo \/ 4Ω bridged \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eL = 10.55\"\/ 268 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eW = 7.09\"\/ 180 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eH = 2.24\"\/ 57 mm\u003c\/li\u003e\n\u003c\/ul\u003e","published_at":"2025-08-21T10:40:26-05:00","created_at":"2025-08-14T10:50:28-05:00","vendor":"Quantum Audio","type":"","tags":["4 Channel","Audio Amplifiers","brand_Quantum Audio","category_4 Channel","category_Amplifiers","category_Audio Amplifiers","category_Class AB","Mobile Audio","New"],"price":14999,"price_min":14999,"price_max":14999,"available":true,"price_varies":false,"compare_at_price":14999,"compare_at_price_min":14999,"compare_at_price_max":14999,"compare_at_price_varies":false,"variants":[{"id":52132702585197,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"QA4-2000","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"QA4-2000 Quantum Bridgeable 4 Channel Amp 1000W","public_title":null,"options":["Default Title"],"price":14999,"weight":0,"compare_at_price":14999,"inventory_management":"shopify","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled_23f7e934-1e15-4cae-ab5a-b587df83bfd9.png?v=1755791471","\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled2_00e0229b-15f8-4dbc-ac36-35943c4dde1c.png?v=1755791475","\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled6_91f216fe-25ec-4a99-ad69-bb0611a6b3aa.png?v=1755791480","\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled5_47d5c5e8-d121-4307-98ff-6ccf0162ed71.png?v=1755791483","\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled4_2d2e3a14-7e31-469b-9dda-3038ed24807a.png?v=1755791486","\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled3_d90187ff-57f5-4a12-8d18-b7b43889601b.png?v=1755791489","\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled1_26943203-970f-4743-bb59-70c9f76faa3a.png?v=1755791493"],"featured_image":"\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled_23f7e934-1e15-4cae-ab5a-b587df83bfd9.png?v=1755791471","options":["Title"],"media":[{"alt":null,"id":52185885016429,"position":1,"preview_image":{"aspect_ratio":1.375,"height":771,"width":1060,"src":"\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled_23f7e934-1e15-4cae-ab5a-b587df83bfd9.png?v=1755791471"},"aspect_ratio":1.375,"height":771,"media_type":"image","src":"\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled_23f7e934-1e15-4cae-ab5a-b587df83bfd9.png?v=1755791471","width":1060},{"alt":null,"id":52185885049197,"position":2,"preview_image":{"aspect_ratio":1.845,"height":562,"width":1037,"src":"\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled2_00e0229b-15f8-4dbc-ac36-35943c4dde1c.png?v=1755791475"},"aspect_ratio":1.845,"height":562,"media_type":"image","src":"\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled2_00e0229b-15f8-4dbc-ac36-35943c4dde1c.png?v=1755791475","width":1037},{"alt":null,"id":52185885081965,"position":3,"preview_image":{"aspect_ratio":2.967,"height":334,"width":991,"src":"\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled6_91f216fe-25ec-4a99-ad69-bb0611a6b3aa.png?v=1755791480"},"aspect_ratio":2.967,"height":334,"media_type":"image","src":"\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled6_91f216fe-25ec-4a99-ad69-bb0611a6b3aa.png?v=1755791480","width":991},{"alt":null,"id":52185885114733,"position":4,"preview_image":{"aspect_ratio":2.916,"height":335,"width":977,"src":"\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled5_47d5c5e8-d121-4307-98ff-6ccf0162ed71.png?v=1755791483"},"aspect_ratio":2.916,"height":335,"media_type":"image","src":"\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled5_47d5c5e8-d121-4307-98ff-6ccf0162ed71.png?v=1755791483","width":977},{"alt":null,"id":52185885147501,"position":5,"preview_image":{"aspect_ratio":1.146,"height":788,"width":903,"src":"\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled4_2d2e3a14-7e31-469b-9dda-3038ed24807a.png?v=1755791486"},"aspect_ratio":1.146,"height":788,"media_type":"image","src":"\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled4_2d2e3a14-7e31-469b-9dda-3038ed24807a.png?v=1755791486","width":903},{"alt":null,"id":52185885180269,"position":6,"preview_image":{"aspect_ratio":1.144,"height":791,"width":905,"src":"\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled3_d90187ff-57f5-4a12-8d18-b7b43889601b.png?v=1755791489"},"aspect_ratio":1.144,"height":791,"media_type":"image","src":"\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled3_d90187ff-57f5-4a12-8d18-b7b43889601b.png?v=1755791489","width":905},{"alt":null,"id":52185885213037,"position":7,"preview_image":{"aspect_ratio":1.42,"height":436,"width":619,"src":"\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled1_26943203-970f-4743-bb59-70c9f76faa3a.png?v=1755791493"},"aspect_ratio":1.42,"height":436,"media_type":"image","src":"\/\/productsourceguys.com\/cdn\/shop\/files\/Untitled1_26943203-970f-4743-bb59-70c9f76faa3a.png?v=1755791493","width":619}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003e\u003cstrong\u003eQA4-2000 : 4-Channel Class A\/B Amplifier\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4 Channel Full Range Class AB Circuitry\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e2Ω Stereo load Capability\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLow level RCA inputs\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eVariable Crossover: HPF\/LPF\/Full\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBridgeable outputs @ 4Ω load\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompatible with any 4\/2Ω Loudspeaker\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHigh Efficiency Mosfet Design\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eQ-Sink Heat Management System\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e4 X 125 Watts @ 4Ω\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e4 x 250 Watts @ 2Ω\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e2 x 500 Watts @ 4Ω (Bridged)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBandwidth : 18Hz - 22KHz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInput Sensitivity: 200Mv – 8V\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCrossover filter slope in Stereo: 12dB\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eChannel 1-2 HP filter range: 32 Hz - 2 KHz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eChannel 3-4 HP filter range: 32Hz - 2KHz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eChannel 3-4 LP filter range: 50Hz - 250Hz\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMinimum Load : 2 Ω Stereo \/ 4Ω bridged \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eL = 10.55\"\/ 268 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eW = 7.09\"\/ 180 mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eH = 2.24\"\/ 57 mm\u003c\/li\u003e\n\u003c\/ul\u003e"}
QA4-2000 Quantum Bridgeable 4 Channel Amp 1000W
$149.99
QA4-2000 : 4-Channel Class A/B Amplifier 4 Channel Full Range Class AB Circuitry 2Ω Stereo load Capability Low level RCA inputs Variable Crossover: HPF/LPF/Full Bridgeable outputs @ 4Ω load Compatible with any 4/2Ω Loudspeaker High Efficiency Mosfet Design Q-Sink Heat Management System 4 X 125 Watts @ 4Ω 4 x 250 Watts @ 2Ω 2 x 500 Wat...