Studiomaster QX4-4000 - 4x1700W Power Amplifier

Studiomaster QX4-4000 - 4x1700W Power Amplifier

Marsoni

M251S

$1140.49

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

Studiomaster QX4-4000 - 4x1700W 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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These pants are a little to snug on waist but i only really notice this problem on black jeans regardless of brand, other than that These a verry comfy zipper work well haven't had any issues I wear these once a week so obviously I wash them once a week, color hasnt faded much at all. Compared to levi I think amazon has them beat in Price, Quality, Durability, Color Fading. You cant go wrong with these.

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Reviewed in the United States on December 23, 2025

Verified Purchase

Albert Houle

Alexandria, US

★★★★★ 5

Good fit

Size: 33W x 28L, Color: Rinse

Good value

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Reviewed in the United States on May 29, 2026

Verified Purchase

Chris Cross

Lowell, US

★★★★★ 5

Loose fit

Size: 40W x 32L, Color: Stone Medium Wash

They were a little larger than I thought, but one size below didn't fit.

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Reviewed in the United States on March 29, 2026

Verified Purchase

Danny

Battle Creek, US

★★★★★ 1

Awful

Size: 32W x 34L, Color: Black

These are the least comfortable jeans ever. Not stretchy. Not lightweight. I feel like I can barely move in them. Don't make the same mistake I made. I wish I never bought these.

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Reviewed in the United States on April 17, 2026