Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 4 - Jul 9
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
ESX QL800.1 - Monoblock AmplifierFeatures Advanced Class D Technology with very high Efficiency Selected and audiophile tuned Components Massive Aluminum Heatsink Heavy lateral Die cast Parts High Level Inputs with Error Protection System (EPS) Auto Turn On Function Start Stop Ready MOSFET PWM Power Supply 3 Way Protection Circuit Compact Bass Remote Controller Specifications 2 Channel Class D Digital Amplifier 1 x 325 550 800 Watts RMS @ 4 2 1 Subsonic 10 40 Hz LPF 40 150 Hz Bass
Features
- Advanced Class D Technology with very high Efficiency
- Selected and audiophile tuned Components
- Massive Aluminum Heatsink
- Heavy lateral Die-cast Parts
- High Level Inputs with Error Protection System (EPS)
- Auto Turn-On Function
- Start/Stop Ready
- MOSFET PWM Power Supply
- 3-Way Protection Circuit
- Compact Bass Remote Controller
Specifications
- 2-Channel Class D Digital Amplifier
- 1 x 325/550/800 Watts RMS @ 4/2/1 Ω
- Subsonic 10-40 Hz
- LPF 40-150 Hz
- Bass Boost 0-18 dB
- Phase Shift 0-180°
- Dimensions 226 x 43 x 120 mm
- Efficiency up to 92%
The QUANTUM QL amplifiers in the ESX Portfolio are technically the small siblings of the QUANTUM QE models. Ideally, they can be used where the installation space is very tight. They are also emission-free and, like the large QE models, have the finest Class D technology on board, which leaves nothing to be desired in terms of performance, sound quality and setting options. The QL models are also coming with the space-saving remote control
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
4.3 ★★★★★
Based on 210 reviews
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Product Reviews
★★★★★ 5
Great purchase
Size: 19" Neck 37"-38" Sleeve, Color: White
Great value. Wrinkle resistant. Good sleeve length. Comfortable and soft. Not too see through.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
★★★★★ 3
Some of these shirts arrived in perfect condition and looked flawless. ONE DID NOT!
Size: 20" Neck 37"-38" Sleeve, Color: Cameo Blue, Size: 20" Neck 37"-38" Sleeve, Color: Cameo Blue
Three of these shirts arrived in perfect condition and looked flawless. The sizing is fantastic: it matches the listed measurements and fits a curvy man’s figure perfectly. ONE SHIRT, however, did not arrive in perfect condition. It looks like they took it out of its original packaging, damaged it on purpose, and put it in a trash bag in very poor condition to ship it. Someone in management at this company should pay close attention to how the shipping and courier staff handle the company’s products, as this will have very negative consequences and generate unfavorable reviews for the company and its revenue. Look at the shirt on the far right!!
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Very well made Oxford casual shirts.
Size: X-Large, Color: Sky Blue
I've ordered 8 of these Button-down collared, long sleeved Oxford shirts in eight different colors. I'm 6', weigh 195. And have a 44" chest and fairly broad shoulders. The XL give me ample room, plenty of shirt tail to tuck in. And are well made. The shirts have a nice soft feeling to them. If you wash them with like items, and dry them likewise, taking them out before the cycle ends and hanging them. You won't have a single wrinkle. The shirts are true to color, and true to size if you follow the size guideline. These are not tailor fit, but regular fit shirts. Fabric quality seems very durable and well made. There is no smell when receiving the shirts. No more so than buying a shirt at a retail store. They do come in a vacuum bag. The shirts are a little heavier than a poplin shirt and can be worn year-round. These are great casual shirts for jeans and a sport coat, or slacks. I like the quality and the colors. I also like the thickness of the shirts. All of the shirts I've bought, black, blue, etc, have white buttons. Which makes them more of a casual shirt. But well worth the price.
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Reviewed in the United States on November 10, 2025
★★★★★ 5
Win Win Shirt no need to think on purchase.
Size: XX-Large, Color: Light Pink
Beautiful shirt. true to size. perfect and cost are spectacular. trust me from a guy that bought many expensive shirts, this will deliver perfect fit and at the cost a double win.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Great fit and comfortable
Size: 3X-Large, Color: White
Great fit and comfortable shirt! The fabric isn't thin and flimsy like some dress shirts today.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
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