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Description
Phoenix Gold RX2400.4 - 4 Channel AmplifierPHOENIX GOLD RX2400. 4 400 Watt 4 Channel Class A B Amplifier System Configuration Flexibility of 4ch 3ch or 2ch with 400 watts of power RX2 400. 4 is a powerful 4ch 400W, class A B amplifier delivering massive power to support your systems needs. Configure as a 4ch for an active components setup or as a front rear stage amplifier. How about for a full system? Setup as 3ch mode you can run your front stage and a subwoofer. Configure in 2ch mode for
PHOENIX GOLD RX2400.4 400 Watt 4 Channel Class A/B Amplifier
System Configuration Flexibility of 4ch 3ch or 2ch with 400 watts of power
RX2 400.4 is a powerful 4ch 400W, class A/B amplifier delivering massive power to support your system’s needs. Configure as a 4ch for an active components setup or as a front/rear stage amplifier. How about for a full system? Setup as 3ch mode you can run your front stage and a subwoofer. Configure in 2ch mode for 200 watts x2 on whatever you choose. Anyway you configure it, you will be rewarded with efficient sound and musical quality while wrapped in a sleek, low profile chassis designed for versatility.
RX2 series amplifiers are the reference for style and value in any installation. Built with the legendary Phoenix Gold reliability, they feature heavy duty heatsinks, robust unregulated power supplies, and oversized direct input power and speaker terminals. They also sound sweet thanks to the audiophile-grade output transistors. We made upgrading your stock system easy by allowing high level inputs, so you can keep that hard to replace radio, and still upgrade the sound. RX2-series amplifiers are ready to impress with their effortless ability to provide power and clarity while keeping the chassis at a convenient size for any installation. The devil is in the details, so it just made sense that we allow the PG name plate to be removed and turned to match the orientation you might need for your install because we know you're going to want show off your system and make all your friends jealous.
- Class A/B Topology
- Small Footprint Chassis Design
- Robust Unregulated Power Supplies
- Rotatable Badging for installation flexibility
- High level Inputs for Easy OEM Integration
- Audio Precision® Quality Control Verification
Specifications
RMS Power Ratings listed at less than 1% THD @ 14.4v
| Number of Channels: | 4 |
| 4Ω: CH 1 - 4 | 75W x 4 |
| 2Ω: CH 1 - 4 | 100W x 4 |
| 2CH Mode: 1+2 4Ω Bridged & 3+4 4Ω Bridged | 200W x 2 |
| 3CH Mode: 1/2 4Ω Stereo & 3+4 4Ω Bridged | 75W x 2 + 200W x 1 |
| 3CH Mode: 1/2 2Ω Stereo & 3+4 4Ω Bridged | 100W x 2 + 200W x1 |
| Total RMS Power (Sum of rated power): | 400W |
| Bridgeable: | Yes |
| Crossover Mode: | FULL/HP/LP |
| CH 1 - 4 | 50Hz - 200Hz @ 12dB / Oct Linkwitz Riley |
| Input Channels: | 4CH F/R, 3 CH FRONT, 2 CH FRONT |
| Input Mode: | Unbalanced / Balanced |
| Processing: | Bass Boost 0dB / +6dB / +12dB @45hz |
| Input Sensitivity: | .2v - 6v Unbalanced RCA Low-Level |
| .5v - 15v Balanced Hi-Level Harness | |
| Signal to Noise (@ CEA Standard): | >80dB |
| Frequency Response: Full Range | CH 1 - 4 10Hz - 40kHz |
| Topology Class: | A/B |
| Heatsink Type: | Extruded Aluminum |
| Cooling Type: | Radiation |
| Operating Voltage: | 8V to 16V |
| Switchable Auto-Turn On: | No |
| Power Supply Type: | Unregulated |
| Power TerminalS: | 4 Gauge |
| Speaker Terminal: | 10 Gauge |
| On Board Fusing: | 2 x 30A ATC |
| Recommended Inline Fuse: | 50A |
| Dimensions (L x W x H): | 15.74” x 8.11” x 1.98” - 400mm x 206mm x 50.5mm |
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
4.1 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 4
Cooling and comfortable against your skin
Color: Navy Blue, Size: 1 Pack Body(20x54)-Regular
Fits perfectly and feels nice against your skin. Just wish it had a zipper on the end. That would have made it perfect.
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Reviewed in the United States on June 8, 2026
★★★★★ 5
I am stunned
Color: Black, Size: Queen(20x30)
I had no idea what to expect from these. But for as cheap as they were I was willing to just write it off of they weren't that good.
I had already picked up a new memory foam pillow to replace my previous memory foam pillow that didn't do well with dissipating heat. This new pillow was fine by itself, but when I put my pillowcase on it, the properties that made it cooling were negated. I'd get a bit of sweat on the side of my head or my neck where it was against the pillow all night. The pillow was supposed to be a cool one, but the pillowcase was not.
So I grabbed this set. Smooth, no loose threads anywhere, stitching and seams are all spot on. And it's smooth to the touch. Got it on the pillow, and as soon as I laid my head down on it, I could tell immediately that this was going to be a different result that my other one. Not nearly as warm even after laying on it for a while. No heat buildup, no bits of moisture on the skin after being on it all night.
This definitely works well, especially with my cool sleep pillow. Now I can have a far more comfortable nights sleep. For the price, it's a steal. I have no idea what longevity will be, but with two of them, I'm sure I'll get more than my money's worth.
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Reviewed in the United States on August 7, 2023
★★★★★ 5
Soft and cooling
Color: Dark Grey, Size: 2 Pack Queen(20x30)-Regular
Soft, not too thick and wash very well. Feels great against my skin and doesn’t make my hair frizzy. Color was perfect.
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Reviewed in the United States on May 13, 2026
★★★★★ 3
Not soft, not wrinkle free
Color: Light Grey, Size: 2 Pack King(20x36)-Regular, Color: Light Grey, Size: 2 Pack King(20x36)-Regular
Not as soft as expected. Major WRINKLED after washer/dryer. Always use max heat on dryer. Not as described. Money wasted.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
These pillowcases are wonderful.
Color: Light Purple, Size: 2 Pack Queen(20x30)-Regular
I love my new pillowcases. They are cooling and easy to wash.
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Reviewed in the United States on June 4, 2026
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