SKU: 88263077342

focal FPX 4.400 SQ

$402.75 $447.50
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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30

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Description

focal FPX 4.400 SQ4 channel amplifier Very compact, the FPX 4. 400 SQ is a class AB amplifier offering 4 channels of 70 watts RMS at 4 ohms, meeting many installation needs. Operating in 4 3 2 channel mode and offering active filtering for each pair of channels, it is the Sound Quality oriented amplifier in the range. Power and musicality will allow you to fully exploit Focal speakers. DIFFERENT USES This powerful amplifier can drive front and rear speakers, or a hi fi

4-channel amplifier

Very compact, the FPX 4.400 SQ is a class AB amplifier offering 4 channels of 70 watts RMS at 4 ohms, meeting many installation needs. Operating in 4/3/2 channel mode and offering active filtering for each pair of channels, it is the “Sound Quality” oriented amplifier in the range. Power and musicality will allow you to fully exploit Focal speakers.

DIFFERENT USES

This powerful amplifier can drive front and rear speakers, or a hi-fi installation consisting of a front kit and a subwoofer. Featuring a 2/4-channel input mode, it is compatible with car radios with only a pair of line outputs.

AUDIOPHILE AND VERSATILE

Offering 4 x 70 watts RMS into 4 ohms, FPX 4.400 SQ delivers 2 x 200 watts RMS into 4 ohms in bridged mode, allowing a good bass channel to be driven by the 3 and 4 ohm channels. It is also stable under 2 ohms (4 x 100 watts RMS) to adapt to different types of loudspeakers.

SETTINGS

For perfect loudspeaker management, each pair of channels has an active crossover adjustable from 50 to 500 Hz: high-pass, low-pass or full-range. Channels 3 and 4 also feature bass correction.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 88263077342

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4.8 ★★★★★
Based on 22 reviews
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Product Reviews
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Verified Purchase
NMMo
Port Orchard, US
★★★★★ 5
Better than woxer imo
Color: Multicolor B (5-pack), Size: Large
I've been buying Woxers, but theyre super expensive for what youre getting. These are similar in feel and style so i switched over. Another nice thing is i dont have to deal with wedgies like i do with the woxers. Theyre not perfect for wearing when its hot, youre still gunna sweat and these dont wick away sweat super well. But i havent seen many brands that do, and these are not the worst. Im 5'7" and 145lbs and these are comfy and tight enough but not snug. They still leave a bit of indentation on the love handles. You CAN tell that youre wearing them under pant if they are tight.
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Reviewed in the United States on May 11, 2026
L
Verified Purchase
Liz Newman
Chelsea, US
★★★★★ 5
Comfortable and cool. Does not ride up.
Color: 01-multicolour (4-pack), Size: Medium
Extremely comfortable. Stays cool. Ample coverage. Quality material. They do not creep up. I ordered a medium which I generally take a size small. I have reordered and will reorder again to add more colors to my collection.
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Reviewed in the United States on May 18, 2026
J
Verified Purchase
Janola
Omaha, US
★★★★★ 5
Great Value for Cool Thigh Protection
Color: 02-multicolour (4-pack), Size: XX-Large
For the price, I'm not sure there are better women's boxer shortlettes anywhere. I've tried more expensive brands, and for quality and cooling, these are right up there. I have other bamboo viscose undies that still get gross when I get sweaty in the summer, but these, with the large mesh panel, really help wick away a lot of that moisture, keeping you feeling dryer and cooler. I find that the leg openings are comfortable and don't roll up! and the waist band doesn't dig, nor does it roll down. These do not provide any compression, and I wasn't looking for any. I just wanted some cooling, thigh protecting women's boxers that wouldn't break the bank. These are them! Bonus- I've washed them and put them in the dryer (following their instructions), and they haven't shrunk; they look about the same and are nice and soft.
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Reviewed in the United States on July 28, 2025
R
Verified Purchase
Reviewer
Battle Creek, US
★★★★★ 4
Great for the entire family but expensive
So far so good. The brand of boxers we had been buying changed their style and construction so we needed to find an alternative. These have held up well so far to multiple weeks of frequent washing and wearing from the entire family. We did size up from the usual 6/M we normally buy and ordered large to prevent the legs from rolling up which worked out great. Our daughter likes the length and how soft the fabric is for wearing under skirts and gym shorts and liners stay put without moving or leaking as another reviewer mentioned. Our son says they are comfortable and fit well being just supportive enough without being constrictive. We all agree that there seems to be not enough fabric in the back as they tend to be much tighter across the backside than the front and that also causes the waist band to ride lower in the back than the front. These have better seam placement than some brands we tried with no seam across the lady bits and no seam down the middle of the back side so they are more much comfortable but the cost is also much higher and that is why we're only giving it 4 stars. These will stay in the rotation until we find something cheaper that both us and the kids like.
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Reviewed in the United States on January 24, 2026
B
Verified Purchase
Brittany
Belleville, US
★★★★★ 5
Pregnant lady review! Soft, comfortable, cool.
Color: 03-multicolour (4-pack), Size: Large
So soft, comfortable and cool. I'm pregnant and I've gained weight in my legs. I love wearing dresses but my thighs were rubbing together too much. These are perfect to wear under dresses. I also wear them under my bibs at work and it keeps me from getting overheated but I don't have to worry about whether or not my underwear show since they just look like shorts. I wish these came in maternity. I just keep them below my belly. I'll be buying more for sure.
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Reviewed in the United States on April 8, 2026

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