Pay in installments of $37.49 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Quantum Audio QPX2800.4 4-Channel 1440W RMS QEA Series Class A/B AmplifierQPX2800. 4 4 Channel Stereo Amplifier 3600 Watts FEATURES: Class A B Circuitry 2 Ohm Load Stereo Capability Amber Glow Logo Badge Audiophile Grade Components Speaker Short Circuit Protection High Efficiency Mosfet Design 12 dB Variable High Pass and Low Pass X over Selectable: 0, 6, 12 dB Octive Bass Boost Buffered Line Output for Easy Daisy Chaning SPECIFICATIONS: Dynamic Power : 3600 Watts 4 x 180 Watts @ 4 Ohm Stereo 4 x 360 Watts @ 2 Ohm Stereo 2
- QPX2800.4 4 Channel Stereo Amplifier / 3600 Watts
- Class A/B Circuitry
- 2 Ohm Load Stereo Capability
- Amber-Glow Logo Badge
- Audiophile Grade Components
- Speaker Short Circuit Protection
- High Efficiency Mosfet Design
- 12 dB Variable High Pass and Low Pass X-over
- Selectable: 0, 6, 12 dB/ Octive Bass Boost
- Buffered Line Output for Easy Daisy-Chaning
- Dynamic Power : 3600 Watts
- 4 x 180 Watts @ 4 Ohm Stereo
- 4 x 360 Watts @ 2 Ohm Stereo
- 2 x 600 Watts @ 4 Ohm Bridged
- Ch 1-2 High Pass Crossover: 60Hz-1.2KHz
- Ch 3-4 High pass Crossover: 60Hz-1.2KHz
- Ch 3-4 Low pass Crossover: 50Hz – 400Hz
- X-Over Slope: 12dB
- Bass Boost @ 45Hz: 0-12dB
- Input Sensitivity: 285Mv – 6V
- Signal to Noise Ration >90dB
- THD at 1%: <0.1%
- Length: 13.7” / 348mm
- Width: 8.6” / 220mm
- Height: 1.96” / 50mm
FEATURES:
SPECIFICATIONS:
DIMENSIONS:
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 21 reviews
Sort
Product Reviews
★★★★★ 5
Paint isnt perfect at 12 years old but WOW!
As advertised and reviewed. Did the application with a Chem Guys applicator 6 pack purchased here in the AM when it was 70 degrees, no sun. It went on easy, waited 15 mins, it came off easy. Beautiful glossy shine on my black Model S.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
★★★★★ 5
Great product
Works awesome. Easy to remove once you let it dry
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
★★★★★ 5
amazing
ives been thru a lot of waxes on my cars trying to find one that does everything i need. this was does it all. i was really impressed with how easy was to remove and the shine was very impressive. a little
on the pricey side but worth it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
★★★★★ 5
As advertised
Does a great job cleaning windows!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
★★★★★ 5
Works as advertised
Excellent product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026