SKU: 69305016327

ESX QM-FOUR

Sale price$179.10 Regular price$199.00
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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15

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Description

ESX QM-FOURESX Quantum Serie Die in etwa handtellergroe 2 Kanal Mini Endstufe QUANTUM QM TWO sorgte gleich nach der Vorstellung bei ESX Fans und Kennern der Car Hifi Szene fr Verblffung. Das kleine Powerhouse mit satten 240 Watt RMS Leistung wurde sofort als Geheimtipp gehandelt. Nachdem letztes Jahr die verbesserte V2 Version mit sagenhaften 300 W RMS Leistung das nochmals toppte, legt ESX nun mit zwei weiteren Modellen in der QM Klasse nach: Fr 4 Kanal


ESX Quantum Serie

Die in etwa handtellergroße 2-Kanal Mini-Endstufe QUANTUM QM-TWO sorgte gleich nach der Vorstellung bei ESX-Fans und Kennern der Car Hifi Szene für Verblüffung. Das kleine Powerhouse mit satten 240 Watt RMS Leistung wurde sofort als Geheimtipp gehandelt. Nachdem letztes Jahr die verbesserte V2-Version mit sagenhaften 300 W RMS Leistung das nochmals toppte, legt ESX nun mit zwei weiteren Modellen in der QM-Klasse nach: Für 4- Kanal Anwendungen steht ab sofort die klangstarke Endstufe QM-FOUR bereit, wer einen separaten Subwoofer antreiben möchte, kann jetzt zum neuen Monoblock QM-ONE greifen. Beide Powerriegel leisten satte 360 Watt RMS und sind optisch perfekt aufeinander abgestimmt. In allen Modellen kommt moderne und effiziente Class D Technologie zum Einsatz, kombiniert mit EPS, Top-Features und perfekten Klangeigenschaften. Der QM-ONE Monoblock ist nicht nur optisch der perfekte Spielpartner passend zur QM-FOUR. Wenn zusätzlich ein separater Woofer befeuert werden soll, ist sein Einsatzgebiet klar definiert. Mit satten 360 Watt RMS an 2 Ω ist für ausreichend Dampf gesorgt, sogar bequem per Basspegel-Fernbedienung einstellbar.


Eigenschaften:

✓ Effizienter Class D Verstärker mit ultrakompakten Abmessungen
 Schwerer Guss-Kühlkörper mit optimalen Kühleigenschaften
 Automatische Einschaltfunktion
 Hochpegel-Eingänge mit Error Protection System (EPS)
 Start/Stopp Ready
 Kompakte Basspegel-Fernbedienung
 Cinch-Eingänge


Technische Daten:

4-Kanal Class D Mini Digital Verstärker

4 x 52/90 Watt RMS @ 4/2 Ω

2 x 180 Watt RMS @ 4 Ω gebrückt

HPF/LPF 40 - 4000 Hz (CH1/2)

HPF/LPF 40 - 4000 Hz (CH3/4)

Bass Boost 0 / 6 / 12 dB (CH1/2)

Bass Boost 0 / 6 / 12 dB (CH3/4)

Eingangswahlschalter 2CH/4CH

Abmessungen 216 x 39 x 84 mm

Wirkungsgrad bis zu 86%


Shipping Notes
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Exchange/Return Notes
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SKU: 69305016327

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4.0 ★★★★★
Based on 5 reviews
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Product Reviews
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Shea
San Leandro, US
★★★★★ 5
Budget friendly satin pillowcase
Size: Standard (20" X 26"), Color: 18 - Lavender, Number of Items: 2
This satin pillowcase is a great budget-friendly option! While it’s not quite as luxurious as my Blissy pillowcase, it still does a really nice job—especially for the price. It has that smooth, silky feel that helps reduce hair frizz and feels gentle on the skin. It’s also easy to wash and holds up well, which is perfect for everyday use. I especially love using these for the kids—they get the benefits of a softer pillowcase without worrying about ruining a more expensive one. Overall, it’s a solid, affordable alternative that still feels nice and does the job. Great value and perfect for families!
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Reviewed in the United States on April 22, 2026
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Verified Purchase
StacyRates
Chelsea, US
★★★★★ 4
Super soft and durable, but keep your steamer handy!
Size: King (20" X 36"), Color: 01 - Silver Grey, Number of Items: 2, Size: King (20" X 36"), Color: 01 - Silver Grey, Number of Items: 2
I’m really impressed with these grey satin pillowcases! First off, the packaging was adorable, making them feel like a little treat to unbox. The texture is incredibly soft and feels great against my skin. In terms of maintenance, they’ve held up perfectly through the wash. I followed the instructions (machine wash on gentle cycle and tumble dry on low/fluff), and they came out looking as good as new. The only real downside is the wrinkling. Even when I remove them from the dryer promptly, they tend to wrinkle pretty badly (see attached photo). If you don't mind a quick steam or a few creases, these are a good value!
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Reviewed in the United States on April 8, 2026
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Verified Purchase
Mother of M.M.
Bozeman, US
★★★★★ 5
Fantastic satin pillow cases for the price
Size: Queen (20" X 30"), Color: 02 - Pure White, Number of Items: 2
Edit: I already put five stars in the first place, but I was unfair to these pillow cases in my initial review! I thought they were a little warmer than the natural silk, because I was sleeping on them with acrylic pyjamas on. I have come to realise the pillow cases are not warm. They are truly excellent in every way. I just get sweaty every time I wear acrylic pyjamas! I have already ordered two more sets of these (and have switched to micrfibre pyjamas)! Original review: First off, I want to address a popular misconception. Satin is a weave, not a fibre. So polyester satin is real satin, and it is very common. To all the people saying the makers lied about the fabric, they absolutely did not! I bought these and I bought some inexpensive silk ones at the same time. I have been loving the silk ones and only started using these lately. I'm happy with all of them. These are not silk, and I can feel the difference, but they are a nice, smooth polyester satin. The white colour is indeed a pure white. I machine washed mine and hung them to dry. They did not wrinkle, pick or pill, and they did not change in colour or size. They look fresh and pristine. I measured my pillows and got the right size. They are pretty and neat, they seem to be well sewn and well finished, with no hanging threads. They are very soft to sleep on and did not make my dry, curly hair frizz up. I slept on them without my protective bonnet, so I got the full experience! Honestly, with the smooth, tight weave of the fabric, they may be superior to the real silk in terms of babying my skin and hair. However, they are a little bit warmer. That is fine for now, since the weather is cool. I might just use these while it is cool out and switch to silk in summer, or I might continue to alternate, we will see. Overall, I am happy with my purchase and would buy them again.
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Reviewed in the United States on February 3, 2026
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Verified Purchase
Jaclyn P.
Los Angeles, US
★★★★★ 5
Amazing Pillowcases — Sleep Better Every Night!
Size: Queen (20" X 30"), Color: 05 - Dark Grey, Number of Items: 2
The Bedsure Satin Pillowcases (2-Pack) are hands-down one of the best small upgrades I’ve made to my sleep routine. They feel luxuriously smooth — almost like silk — but are much more affordable and easy to care for. The satin surface feels gentle on your skin and hair, and I really notice the difference in reduced friction compared to regular cotton cases. What I love most: 🌬️ Cooling & Comfortable: These pillowcases stay cool and breathable all night — perfect for hot sleepers or warm weather. 💁‍♀️ Hair & Skin Friendly: My hair isn’t as tangled in the morning, and my skin feels softer with fewer sleep creases. 🛏️ Beautiful & Practical: The dark grey color looks great with my bedding, and the envelope closure keeps the pillow snug without zippers to snag hair or wash fabrics. 🎁 Perfect Gift: Comes as a 2-pack and makes a thoughtful gift for anyone — women, men, roommates, or newlyweds. They wash well and hold up without pilling or losing their silky feel. Great quality at a great price — these pillowcases are definitely worth it if you want a little luxury in your everyday sleep!
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Reviewed in the United States on March 1, 2026
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Verified Purchase
Jacque Guzman
Houston, US
★★★★★ 5
Satin pillowcases
Size: Standard (20" X 26"), Color: 09 - Ivory, Number of Items: 2, Size: Standard (20" X 26"), Color: 09 - Ivory, Number of Items: 2
These pillowcases are honestly a great purchase. They feel incredibly smooth and soft and I noticed a real difference in both my hair and skin! my hair is less frizzy in the morning, and my skin feels softer. The quality is excellent for the price, and they’ve held up well after several washes without losing their softness or color. They also feel cool and comfortable throughout the night, which is a nice bonus. Overall, I’m really happy with this purchase and would definitely recommend them to anyone looking to upgrade their sleep experience!
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Reviewed in the United States on April 28, 2026

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