The SOUNDSTORM amplifier is great for powering your speakers. The SOUNDSTORM EV400.4 is a 4 channel amplifier that is rated at 38 watt x 4 channel @ 4 channel RMS, 100 watt x 4 channel x 4 channel MAX, 400 Watt Max. The amplifier features a led power indicator, black aluminum heatsink, 2 ohm stable stereo operation with output power increase, soft turn on circuit, remote turn on/turn off circuit, variable input gain control, nickel plated RCA low level and high level input and soft turn on. The dimensions are 7.5″ L x 9″ W x 1.75″ H.
- The amplifier features a led power indicator, black aluminum heatsink, 2 ohm stable stereo operation with output power increase, soft turn on circuit, remote turn on/turn off circuit, variable input gain control, nickel plated RCA low level and high level input and soft turn on
- The SOUNDSTORM EV400.4 is a 4 channel amplifier that is rated at 38 watt x 4 channel @ 4 channel RMS, 100 watt x 4 channel x 4 channel MAX, 400 Watt Max
- 12 Hz to 22 khz ±1 db frequency response; 2 ohm stable stereo operation with output power increase; and Variable input gain control
- Dimensions: 7.5″ L x 9″ W x 1.75″ H
- Warranty: 5 year warranty
- Full Range, Class A/B
- Soft turn on circuit
- 0.01 % t.H.D. (total harmonic distortion)
- 90 db s/n ratio (a-weighted)
- 60 db channel separation
- High level inputs
- 4 channel RCA inputs
- We are authorized SOUNDSTORM dealer
- Product condition: New
Questions? We’ve Got Answers.
Helpful answers about product features, setup, and more
What is the amplifier constructed from?
The amplifier is constructed from aluminum. This material choice supports everyday use while maintaining the structural integrity needed for the product’s intended applications.
What is the amplifier used for?
The amplifier is used for live sound, DJ setups, home audio, or event production, depending on configuration. It connects with a typical audio chain — source, mixer or controller, and amplification — to produce sound for the intended environment.
Is there a warranty on the amplifier?
Yes. The amplifier is backed by 5-year manufacturer warranty. Coverage details and claim procedures are provided by the manufacturer; retain your order receipt as proof of purchase if you ever need to file a claim.
What is the best way to maintain the amplifier?
Clean with mild soap and water; rinse thoroughly. Aluminum resists rust but can show water spots if left wet. Regular light cleaning extends the lifespan of the amplifier and keeps it looking and performing well over time.
Who makes the amplifier?
The amplifier is made by SOUNDSTORM. SOUNDSTORM produces this item as part of its lineup, and product details such as specifications, included accessories, and warranty terms are set by the brand.
What should I know about the amplifier before buying?
The amplifier from SOUNDSTORM brings together a few practical features worth highlighting:
- aluminum construction
- 5-year manufacturer warranty
Review the product description and specifications to confirm it matches your specific needs before placing your order.


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