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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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Description
ESX Q-ONEv3 - Mono AmplifierThe completely revised amplifiers of the QUANTUM Q compact class now offer as V2 version a higher power output and improved features. With a footprint of just 150 x 220 mm, the two power plants are completely designed as digital Class D power amplifiers. Their heavy die cast heatsinks contain state of the art technology,, which sets new standards in terms of efficiency up to 90%. With the Auto Turn On Function coupled to the high level inputs, the two
The completely revised amplifiers of the QUANTUM Q compact class now offer as V2 version a higher power output and improved features. With a “footprint” of just 150 x 220 mm, the two power plants are completely designed as digital Class D power amplifiers. Their heavy die cast heatsinks contain state-of-the-art technology,, which sets new standards in terms of efficiency up to 90%. With the Auto Turn-On Function coupled to the high-level inputs, the two models are suitable for almost any installation, not only because of their size. Besides the conventional 12V version the Q-ONE and Q-FOUR are now available as 24V version and can be operated in trucks and coaches with a electrical system of 24 volts.
Specifications
- Mono Class D Compact Digital Amplifier
- 1 x 300/500/700 Watts RMS @ 4/2/1 Ω
- Subsonic 10-50 Hz
- LPF 30-250 Hz
- Bass Boost 0-12 dB
- Phase Shift 0-180°
- Dimensions 150 x 50 x 220 mm
- Efficiency up to 84%
Features
- Class D Technology with high Efficiency
- Constant Power Technology
- Heavy die-cast Heatsink
- High Level Inputs with Error Protection System (EPS)
- Auto Turn-On Function
- Start/Stop Ready
- Precious Acrylic Cover in Piano Finish
- Compact Bass Remote Controller
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
4.7 ★★★★★
Based on 2323 reviews
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Product Reviews
★★★★★ 5
These are classy earrings
Color: Black
I love these earrings and wear them almost every day. The size is good as well as the quality
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Reviewed in the United States on December 19, 2025
★★★★★ 4
Elegant and Beautiful Earrings – Just ProbablyNot for Sensitive Skin
Color: White, Color: White
These earrings are absolutely beautiful and elegant, with a timeless design that perfectly complemented the necklace I already own (different brand). They added a touch of sophistication and would be a lovely addition to any jewelry collection. Unfortunately, after trying them on, I noticed some redness on my ear, and since I have sensitive skin, I wasn’t sure if it was due to the clasp pressure or a reaction to the material. Out of caution, I decided to return them. That said, I would still highly recommend these earrings to anyone without sensitive skin—they really are stunning in person.
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Reviewed in the United States on September 27, 2025
★★★★★ 5
Cute earrings :)
Color: White
Great! My teen loved them.
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Reviewed in the United States on February 15, 2026
★★★★★ 1
Poor quality
Color: Dark Blue
Purchased these in Aug ( it’s Oct now) only worn them maybe 3 times and already broke. They are cute to look at but quality is lacking. And I am very easy on my jewelry I never sleep or shower in any jewelry.
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Reviewed in the United States on October 22, 2025
★★★★★ 5
Love! On trend and affordable!
Color: Black
So cute! I been wearing mine everyday even in showers haven’t taken it off since purchased and still looks the same 2 weeks later. Will be purchasing more.
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Reviewed in the United States on May 7, 2026