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Description
Ashly NX1504 Nx Series 4-Channel Multi-Mode Power Amplifier 150WAshly NX1504 overview The nX Series 4 Channel Multi Mode Power Amplifier from Ashly is capable of driving 2, 4, and 8 ohms loads at full power and offers a maximum rated output power of 150W per channel at 25V, 70V, and 100V modes. It features a universal switch mode power supply with PFC (Power Factor Correction) that operates from 70 to 270 VAC. The multi mode output capability allows each individual amplifier output channel to be set for low
Ashly NX1504 overview
The nX Series 4-Channel Multi-Mode Power Amplifier from Ashly is capable of driving 2, 4, and 8 ohms loads at full power and offers a maximum rated output power of 150W per channel at 25V, 70V, and 100V modes. It features a universal switch-mode power supply with PFC (Power Factor Correction) that operates from 70 to 270 VAC. The multi-mode output capability allows each individual amplifier output channel to be set for low-impedance (2, 4, and 8 Ohms) or constant voltage (25, 70, or 100V) operation using DIP switches.
The amplifier has power-saving Ashly EMS (Energy Management System) that provides an automatic sleep-mode drawing less than 1W. It is suitable for live sound and fixed installation sound systems in stadiums, arenas, performance venues, places of worship, and convention centers.
- Utilizes Class-D switching amplifier technology
- Selectable 80 Hz second-order Hi-pass filter, limiter, and input gain per channel
- Remote DC level control per channel
- Extensive protection circuitry, continuously variable cooling fan
- Euroblock input and loudspeaker connectors
- Detachable AC mains line-cord connector
- CE, FCC, RoHS certified
-
Ashly NX1504 specs
Number of Channels 4 Voltage Gain Selectable at 26, 32, or 38 dB, or 1.4 V Damping Factor >250 (8 Ohms load <1 kHz) Filter Input High Pass Filter: 80 Hz second-order Distortion SMPTE (Typical): <0.5%
THD-N (Typical): <0.5% (8 Ohms, 10 dB below rated power, 20 Hz to 20 kHz)Channel Separation -75 dB (dB from full output, 1 kHz) Signal-to-noise >99 dB (un-weighted 20 Hz to 20 kHz, Gain @ 26 dB) Frequency Response 20 Hz to 20 kHz, ±0.05 dB Input Impedance 10 kOhms Balanced Input Euroblock 3.5 mm Maximum Input Level +21 dBu Speaker Output Euroblock 7.62 mm Level Control Remote DC Level Control: Euroblock 3.5 mm - Gnd, CV, V+ per input Attenuation Per Channel: Rear panel, fully off= mute Front Panel LED Indicators White LED:
Power Switch: On, off, flashing (standby mode)
Red LED:
Protect: On (fault condition or shut down), Off
Clip / Mute (Per Channel): Clip @ 1 dB below rated output / mute
Blue LED:
Sleep Mode: On (when the amplifier is asleep from audio inactivity)
Yellow LED:
Disable: On (when the power switch & attenuators are disabled)
Temperature (Per Channel): On dim at 90% maximum operating temperature, full bright + protect at 100%
Green LED:
Signal (Per Channel): -18 dB, below rated output
Bridge (Per Channel): Pair, On, off
Current (Per Channel): Brightness is proportional to output currentProtection Circuits Inrush current limitation, temperature monitoring, output over-power protection, and mains fuses Cooling Continuously variable temperature controlled fan Nominal Voltage Input: 120 to 240 VAC @ 50/60 Hz Operating Range 70 to 270 VAC @ 50/60 Hz Power-Up Action Minimum Power-Up: 70 VAC @ 50/60 Hz Power Supply Type SMPS with active PFC (Power Factor Correction) AC Mains Power Cord Connector: Detachable NEMA 5-15 for USA Maximum Output Power Low Impedance Output Mode (All Channels Driven at Rated Load):
2, 4, & 8 Ohms: 150 WLow Impedance Low Impedance Output in Bridge Mode (All Channels Driven at Rated Load):
4, & 8 Ohms: 300 WVoltage Output Constant Voltage Output (All Channels Driven at Rated Load):
25, 70, & 100 V (Per Channel): 150 WPower Draw Total AC Mains Power Draw (Typical Input):
Sleep Mode: <1 W
Standby Mode: 25 W
Idle (No Signal): 53 W
Typical Input (1/8 Max Power @ 2 Ohms): 230 WCurrent Draw For 120 VAC (Typical Input, Total for all Channels):
Sleep Mode: 94 mA
Standby Mode: 0.27 A
Idle (No Signal): 0.5 A
1/8 Max Power @ 2 Ohms: 2.2 A
For 240 VAC (Typical Input, Total for all Channels):
Sleep Mode: 47 mA
Standby Mode: 0.135 A
Idle (No Signal): 0.25 A
1/8 Max Power @ 2 Ohms: 1.1 AThermal Dissipation Typical Input (Total for all Channels):
Sleep Mode: 2.14 BTU/hr
Standby Mode: 86.4 BTU/hr
Idle (No signal): 180 BTU/hr
Typical (1/8 Max Power @ 2 Ohms): 505 BTU/hrEnvironmental Conditions 32 to 120°F (0 to 49°C), non-condensing
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- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.6 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Vivid color and a wonderful audio sound!
Size: 24
Wow. With this price, the color quality of this monitor is amazing. Most surprising part is the speaker! The sound is so nice! My son use it to link his Chromebook to goto YouTube and enjoy to classic music played by Berlin philharmonic, wow!!! This is really a wonderful monitor!! Really a great product.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Nice monitor great value
Size: 24
I liked this so much I got 2. Nice size for a monitor, looks good, works good. No sound, camera or mic, so I bought a speaker and camera on Amazon too.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
A quality product
Size: 22
great picture quality
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Reviewed in the United States on June 9, 2026
★★★★★ 5
Koorui 34E6UC (34" 3440×1440, 180 Hz, 1000R curved VA panel) — But Missing Info Buyers Should Know
Size: 34"/WQHD/1000R/HDR400
Review:
I purchased two of the Koorui 34‑inch curved ultrawide monitors for a dual‑monitor setup, and so far I’m very pleased with them. The picture quality is sharp, the brightness is solid, and the “Normal” color preset looks natural without any adjustments. For the price, these 34‑inch panels deliver very good performance.
That said, there are a few important details the product listing and reviews don’t mention — and knowing them ahead of time would have saved me some stress during installation.
1. YES, the 34‑inch model DOES include stand‑offs (spacers)
This is not mentioned anywhere in the listing, and even Amazon’s Rufus incorrectly says they are *not* included. They actually come in the small accessory packet with the manual.
If you’re mounting these monitors, you will need those stand‑offs because of the recessed VESA pattern. They are already in the box — just not advertised. I rushed to order a separate spacer kit because the listing didn’t mention it, so I’m putting this here to help the next person avoid that.
2. One of my monitors flashed briefly until I disabled FreeSync
On one of the two monitors, I noticed a quick bright “flash” when moving the mouse. Turning off Adaptive Sync / FreeSync in the monitor’s menu fixed it instantly. The other monitor didn’t have this issue, so it seems to vary by panel.
Not a defect — just something to be aware of if you see flicker or brightness pops.
3. Color and brightness match well once set manually
After setting both monitors to the same brightness, contrast, and color mode, they match very well side‑by‑side. The “Normal” color preset looks the most accurate on these VA panels.
4. Build quality and packaging are solid
Both monitors arrived well‑protected, and the included cables work fine. The stand is basic, but I’m using monitor arms, so that wasn’t a factor for me.
5. Too early to comment on long‑term support or durability
I’ve only had these monitors set up for a few hours, so I can’t speak yet to long‑term reliability or how responsive Koorui’s support is. I’ll update this review if anything changes over time.
Bottom line:
These 34‑inch Koorui ultrawides are excellent for the price, especially for gaming or a dual‑monitor setup. Just be aware that:
- Stand‑offs ARE included (despite the listing not saying so)
- FreeSync may need to be turned off on some units
- Picture quality is great once you match settings manually
- Long‑term support is still unknown
If the listing had mentioned the included spacers, it would have saved me a last‑minute order — so I hope this review helps the next person.
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Awesome monitor! (my 3 year review)
So I've owned this monitor for about 3 years now and here's what I have to say about this monitor. The picture quality is actually really good. I got the 1080p version and I mostly use it with my Xbox series x and occasionally will use it for some lighter gaming on my gaming PC both work effortlessly well. The screen size is okay I think next time if it's in the budget I'll buy there 34 inch curved monitor. But for right now I'm sticking with this monitor until it dies and so far it's running strong 3 years later. Right now this monitor cost $80 which is an absolute steal at that price. I paid $130 for it and would say it's absolutely worth getting. There's no flickering. The setup process went smoothly. It's compatible with both my console and gaming PC! I absolutely love this monitor! I don't own the 27 inch version but I'd recommend going with either that size or bigger if you can afford it.
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Reviewed in the United States on December 10, 2025
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