Studiomaster QX2-4000 - 2x2000W Power Amplifier

Studiomaster QX2-4000 - 2x2000W Power Amplifier

Marsoni

M251S

$1140.49

Get it in 3 business days with 1 day shipping. Friday, May 29

Studiomaster QX2-4000 - 2x2000W Power AmplifierThe QX series of digital power amplifiers feature advanced amplifier adjustment technology to give over 95% efficiency, and stable performance at high current, low impedance conditions. Additional features include active power factor correction (PFC) and ultra reliable soft power switching power supply which will operate universally between 90 250VAC. The QX series are all 1U height, lightweight designs, weighing less than 12kg. Both 2 and 4 channel

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Super easy assembly, one screw in tree trunk is unscrewed to place bowl and tree together - Phillips screwdriver needed. I bought the silver ring holder which perfectly suits my personality and decorative style. Can't tell you how wonderful it feels to finally have all of my rings off of my desk and stored in an easy to find place! Space saving is high on my list because I currently live in a 28' camper, so do not have my larger jewelry boxes in here with me. It only arrived today (7/28/2019) so this is with only a single days use, but am very pleased with the purchase and value for the ring holder - I was specifically looking for an inexpensive metal ring tree versus a plastic one.

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Reviewed in the United States on July 28, 2019

Verified Purchase

psychichealer

Pawtucket, US

★★★★★ 5

Great way to display my favorite hand-made pendants

Color: Gold, Color: Gold

I make jewelry. I get attached to certain pendants. But I can't wear them all! So THIS! I can have it on my desk and have all my favorite Shaman Styled Stones with me :-D

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Reviewed in the United States on February 9, 2026

Verified Purchase

Tae Ó Máille

Birmingham, US

★★★★★ 1

Not sturdy, practical, or worth the price.

Style: TREE

Very cheap, unsteady. Thin material, feels like it will snap with very little pressure. Does not stand up well, so when I place jewelry on it (2 very small pendants on thin solver chains), it tips over, making it not very functional or practical. It also is short, so even short chains fall onto the table (no tray below). I could have gotten a better one at Five Below for less. Really disappointed.

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Reviewed in the United States on January 16, 2026