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Description
ESX QL800.4 - 4 Channel AmplifierSpecifications 4 Channel Class D Digital Amplifier 4 x 125 200 Watts RMS @ 4 2 2 x 400 Watts RMS @ 4 bridged HPF 50 5000 Hz (CH1 2) HPF 10 500 Hz (CH3 4) LPF 50 5000 Hz (CH3 4) Copy Mode CH3 4 > CH1 2 Bass Boost 0 12 dB Bandpass Function Input Selector Dimensions 226 x 43 x 120 mm Efficiency up to 86% Features Advanced Class D Technology with very high Efficiency Selected and audiophile tuned Components Massive Aluminum Heatsink Heavy lateral Die cast
Specifications
- 4-Channel Class D Digital Amplifier
- 4 x 125/200 Watts RMS @ 4/2 Ω
- 2 x 400 Watts RMS @ 4 Ω bridged
- HPF 50-5000 Hz (CH1/2)
- HPF 10-500 Hz (CH3/4)
- LPF 50-5000 Hz (CH3/4)
- Copy Mode CH3/4 > CH1/2
- Bass Boost 0-12 dB
- Bandpass Function
- Input Selector
- Dimensions 226 x 43 x 120 mm
- Efficiency up to 86%
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
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
4.5 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Highlands and highlights
Format: Kindle
I always enjoy Clare’s books an “Not Part of the Plan” didn’t disappoint. I love that the MC’s were childhood friends that had drifted apart but found their way back to each other.
I could identify with Poppy not wanting to be a part of the family business as I didn’t want to go in to my family business. I moved to the other side of the country and went into another business too.
I loved Poppy and Eliza’s love story. I also loved that Poppy’s mother and grandmother’s spirits were there to help Poppy found her way with her future.
Clare keep writing your great love stories. This story is a read again story as is the London series. Thanks for the great story.
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Reviewed in the United States on January 28, 2026
★★★★★ 5
A beautiful enemies to lovers love story!
Format: Paperback
A gorgeous enemies to lovers love story! Poppy and Eliza we're best friends growing up. Eliza was 4 yrs older and when she went higher grades and to University she ignored Poppy.This po'd Poppy. Her family started and owns Voss Watches, but both Poppy's grand mother and Mother passed within 4 days of each other. Poppy's and Katy’s Aunt took over as CEO. NOW she wants to sell the company. Poppy who isn't 30 yet has no say, but Margot gives her3 months to prove herself. Only problem is Eliza has to help her.
This is a fabulous book! A FAVORITE! I LOVE THIS BOOK! 5tars!!!!
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Reviewed in the United States on December 15, 2025
★★★★★ 5
So, OK I love a good drawn out love story and this one is just that!
Format: Kindle
Clare Lyndon has again made me swoon! This delightful trip from London to the Scottish highlands is as wonderful and full of character as I remember from my trip there with my wife years ago. The descriptive presentation is accurate in beauty and the warmth of the people. The characters are dynamic and full of life. Clearly Ms Lyndon has a gift.
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Reviewed in the United States on January 28, 2026
★★★★★ 5
good story and decent writing
Format: Kindle
Many books in this genre suffer from either lack of editing or incomplete development. This is my first book from this author and i was pleasantly surprised. If it was another genre (non lesbian) i might give it a 4 but for this genre it’s definitely a 5. Looking forward to checking out more from this author.
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Reviewed in the United States on January 23, 2026
★★★★★ 5
A Time Piece
Format: Paperback
Another wonderful book by Clare Lydon. She never disappoints. The dynamics between Poppy & Eliza are on a collision course throughout the book; even though they become romantically involved, the reader is just waiting for the shoe to drop. Through three-quarters of the book, it hits the fan. A secret from Poppy's mom surprises everyone. It throws everyone for a loop. This is a book that I read in one day because I just couldn't put it down.
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Reviewed in the United States on February 9, 2026
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