SKU: 36502352247

ZXI 4-Channel Class D Amplifier 4 X 250 Watts Rms @ 4-Ohm

Sale price$226.77 Regular price$251.97
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Description

ZXI 4-Channel Class D Amplifier 4 X 250 Watts Rms @ 4-OhmDS18 ZXI. 4XL ELITE Full Range 4 Channel Class D Amplifier 250 Watts X 4 @ 4 Ohm RMS ZXI. 4XL ELITE Full Range 4 Channel Class D Amplifier 250W x 4CH @ 4 OHM The ZXI Series is one of the leading amplifier families in DS18s catalog! As one of our best selling lines, its only right we honor it with EXTREME upgrades given our decade of experience! The ZXI. 4XL is one of the most versatile amplifiers in our catalog: this Full Range Amplifier outputs

DS18 ZXI.4XL ELITE Full-Range 4-Channel Class D Amplifier
250 Watts X 4 @ 4-Ohm RMS

ZXI.4XL – ELITE Full-Range 4-Channel Class D Amplifier – 250W x 4CH @ 4 OHM

The ZXI Series is one of the leading amplifier families in DS18’s catalog! 

As one of our best-selling lines, it’s only right we honor it with EXTREME upgrades given our decade of experience!

The ZXI.4XL is one of the most versatile amplifiers in our catalog: this Full-Range Amplifier outputs enough power to supercharge any powerful competitive or casual sound system and any of the components that build it!

This 4-channel amplifier pure and clean 4-channel signal and 2 channel outputs to run HQ signal to run to another amp or string of amps. There is also a selector switch to move from 4 channel to 2 channel mode.

Built from top of the line components (Block Style Terminals, Fully Variable Crossover, Platinum Finish Connections, and High Quality Protection Circuitry) this amplifier is guaranteed to deliver insane quantities of RMS Power on demand!

The ZXI.4XL handles 250W x 4CH @ 4 OHM; 400W x 4CH @ 2 OHM; and 800W x 2CH @ 4 OHM Bridge of RMS Power.

REQUIRES 200A OF EXTERNAL FUSING

Boost your system’s power today with the ZXI.4XL!

Order your ZXI Amplifier today to take your system to the next level!

Highlights

  • Platinum finish connections that resist corrosion
  • Fully Variable Crossovers
  • Protection Circuitry against Overload, Short Circuit, Thermal, Low Voltage, High Voltage, and Reverse Polarity
  • Up to 16.8v of Operational Voltage
  • Filters are included so you can adjust the high pass and low pass filters so your speakers perform at their best.
  • 0 to 180 degree phase switch is included for more complex systems that need the phase reversed.
  • Fuses included on the amplifier for easy access and amp circuitry protection.
  • The terminals are stainless and use Allen keys to tighten for the best connectivity possible.

Great For

  • Car Audio
  • Pro Audio
  • Stunt Walls
  • Motorcycle Audio
  • Powersports Audio
  • DIY Project

Technical Details 
SPECIFICATIONS 
POWER
Total Watts (Peak) 4800W
RMS Power @ 4 ohm 4 x 250W
RMS Power @ 2 ohm 4 x 400W
RMS Power @ 1 ohm N/A
RMS Power @ 4 ohm Bridge 2 x 800W
AUDIO
Frequency Response 20Hz-20KHz
Signal to Noise Ratio >90dB
Efficiency @ 4ohm >85%
Damping Factor >200
Total Harmonic Distortion (THD) <0.1%
Low Level Input Range 0.2 - 6v
High Level Input No
Selectable X-Over LPF/FULL/HPF
X-Over Filter Range 40Hz-4KHz
Bass Boost Range No
Bass Boost Frequency No
Infrasonic Filter No
Phase Selector No
FEATURES
Amplifier Class Digital
Amplifier Type Stereo Full Range
Number of Channels 4
Minimum Impedance 2 ohm (Stereo) / 4 ohm (Bridge)
Led Indicator Power/Protection/Clip
Power Input Terminal Size 4ga
Fuse Size 200A (External)
Remote Level Control No
Cooling Fan No
Voltmeter  No
Thermal Protection Yes (>160°F / 71°C)
Over-Load Protection Yes
DC Output Protection Yes
Short Circuit Output Protection Yes
Voltage Input Protection Yes (8.5-16.8V)
Cliping Protection  Yes
Body Color / Finish Black Aluminum Brush
MEASUREMENT
Overall Lengh 12.2" / 310mm
Overall Wide 5.66" / 144mm
Overall Height 1.9" / 48.5mm
Heatsink Length  11.42" / 290mm
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: 36502352247

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J
Just Me
Natrona Heights, US
★★★★★ 5
Room Divider That Gives Instant “This Is a Separate Space Now” Energy
Size: 3 Panel 12FT W
The Siebwin 3 Panel Folding Privacy Screen is surprisingly effective at changing the feel of a room without requiring construction, commitment, or somebody yelling about load bearing walls. The 12 foot width gives a substantial amount of coverage, making it useful for creating privacy, dividing open areas, blocking visual clutter, or setting up temporary sections within larger rooms. This saved us a ton of time and money in our new studio and enabled us to create a kitchen and office in one room. The wider feet make a huge difference because flimsy room dividers that collapse every time someone exhales too aggressively are deeply annoying. This one feels more stable and grounded once positioned. The folding design makes it easy to move around or adjust depending on the space, and it folds down relatively compactly when not in use. It is basically the introvert curtain wall of dreams. The material has a clean, neutral look that blends well into different room styles without screaming “temporary office cubicle panic.” It works well for apartments, studios, shared spaces, dressing areas, or simply hiding the mountain of chaos you swear you are going to organize tomorrow. Practical, portable, and refreshingly easy to use without turning setup into a three hour emotional event.
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Reviewed in the United States on May 16, 2026
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Skeetre
Lake Worth, US
★★★★★ 4
It's 2 panels holding 1 big privacy screen. Can't use as 2 separate 4' panels, but works great.
Size: 2 Panel 8FT W
This 2 panel privacy screen works well. Assembly was very straight forward, with easily labeled tubes. My son and I had it together in about 10 minutes, which was probably 3 minutes of me telling him to quit playing around and hand me the parts. It feels very sturdy, not likely to fall over or anything. The material fits well, with the Velcro being very strong. Measurements are all very accurate, with all pieces attaching properly. We have a similar privacy screen at work that we have to try and stretch out because the top and bottom Velcro doesn't fit quite right... this model does not have any issues though. The material is thin and light weight, but solid black so that you can't see anything through or behind it. I definitely think it's a great deal for the money. What I think would have given it 5 stars though, is if you had 2 totally separate 4' panels instead of 2 panels with one big screen. It really wouldn't cost any extra to make it so that the screen was in 2 pieces and you could use it as 2 separate panels instead of having to use it as one big panel. It says 2 panel folding privacy screens, but it's really one big one that folds in the middle.
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Reviewed in the United States on May 25, 2026
T
Verified Purchase
T
New York, US
★★★★★ 5
Nice quality, looks brand new even with daily use! Worth it!
Size: 6 Panel, Color: White
I got the Rose Home 6 panel room divider folding privacy screen and I LOVE it. I use it every day - extending it out to both block the sun, provide a backdrop for my plant wall, use as a backdrop for zoom calls, create privacy at night in front of the big windows and clear doors, and make impromptu study privacy walls in the office. This 6-panel has been the GOAT! Even though the screen is made of a woven paper material, it is still going strong despite daily use and has NOT broken anywhere. The frame is taller than other folding screens I've purchased and this one is also heavier and sturdy. Additionally the hinges fold open in BOTH directions (some screens only fold open in 1 direction like a Z). I use the folding screens indoors, but they have no issue with the AC or fans for wind resistance indoors. Sometimes I use them to hide storage or junk in the corner and make the room look neater. I also have a different brand that is the same material but has 8 panels and I love them both. I got 2 others that were made from synthetic canvas webbing belt/leash fabric and those break so fast - I just had to throw 1 away. This one is worth the money, even after daily use, it looks brand new!
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Reviewed in the United States on January 7, 2026
M
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Melinda Nunn
Houston, US
★★★★★ 5
Already assembled!
Size: 8 Panel, Color: Natural
Came way sooner than the estimated delivery date and it looks awesome! Biggest plus is it came ALREADY ASSEMBLED! I was expecting self assembly but maybe that's on me for not reading the specifics. Hoping it's the right size for my new studio apartment. So far the look and functionality is 10/10
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Reviewed in the United States on December 17, 2025
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Deby
Waukegan, US
★★★★★ 5
buen producto
Size: 6 Panel, Color: Dark Coffee
Me encanta mi biombo , lo compre porque no me cabe las prendas de vesir que tengo en el colgadero y el closet no me es suficiente.Puse el colgadero detras del biombo y no se nota nada , me gusta mucho. Buen material y firme
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Reviewed in the United States on February 18, 2026

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