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Product Description
Product Description
Wet Sounds STXMICRO-4 Class D 4-Channel Micro Marine Amplifier
Wet Sounds STXMICRO-4 is a compact 4-channel Class-D amplifier built for marine and powersports audio systems where space is limited. Its fully sealed die-cast aluminum chassis is designed to protect against water and dirt intrusion while handling the vibration and demanding conditions common to marine and powersports environments.
Compact Power for Tight Spaces
Why sacrifice amplifier performance just because space is limited? The STXMICRO-4 packs four channels of amplification into a chassis measuring just 9.25 inches long, 4 inches wide, and 1.5 inches high. Its compact footprint makes it well suited for confined areas while the high-efficiency Class-D design helps minimize heat generation.
The amplifier delivers 80 watts x 4 at 4 ohms and 130 watts x 4 at 2 ohms. When more power is needed from fewer channels, the outputs can be bridged to provide 280 watts x 2 at 4 ohms.
Built for Marine and Powersports Use
The fully sealed die-cast aluminum chassis acts like a protective shell around the amplifier, helping guard against water and dirt intrusion. With an IP67 rating, the STXMICRO-4 is designed for marine and powersports applications where environmental exposure, vibration, and limited mounting space are part of the equation.
Its compact design works well for marine audio systems, UTVs, ATVs, SxS vehicles, motorcycles, golf carts, Jeeps, and off-road vehicles. It is also suited to compact custom audio installations where every inch matters.
Simple Audio Connectivity
The STXMICRO-4 includes a 3.5mm signal input for straightforward connection to Wet Sounds Bluetooth controllers such as the BTVCC or directly to compatible smartphones and portable audio devices. Pass-through outputs also make it easier to connect a second amplifier when expanding the system.
The multichannel switching mode is another useful feature when you're working with limited input channels. It allows all four amplifier outputs to operate from only two input channels, eliminating the need for Y-adapters.
Flexible Crossover and Channel Configuration
System tuning stays flexible with fully variable high-pass and low-pass crossovers. These controls give you more options for configuring the amplifier around different speaker system designs.
The four channels can also be bridged when additional power is needed. Think of it as having multiple configuration options in one compact chassis, allowing the amplifier to adapt to the needs of the audio system rather than forcing the system into one setup.
Wet Sounds STXMICRO-4 Specifications
- Amplifier Type: Class-D
- Channels: 4
- IP Rating: IP67
- Power Output @ 4 Ohms: 80W x 4
- Power Output @ 2 Ohms: 130W x 4
- Bridged Power @ 4 Ohms: 280W x 2
- S/N Ratio @ 1 Watt: >95dB
- Frequency Response: 10Hz–40kHz
- Total Harmonic Distortion: 0.05%
- Input Sensitivity Range: 150mV–7V
- Dimensions: 9.25" L x 4" W x 1.5" H
Marine and Powersports Applications
The STXMICRO-4 is designed around the needs of compact marine and powersports audio systems. Its four-channel configuration, small chassis, flexible crossover controls, and multiple input options make it suitable for a range of applications.
It can be used in marine audio systems, UTV and ATV vehicles, SxS vehicles, motorcycles, golf carts, Jeeps, off-road vehicles, and other compact custom audio installations.
When space is tight but a multi-channel amplifier is still needed, the Wet Sounds STXMICRO-4 brings substantial output into a compact package. Its sealed die-cast aluminum chassis, efficient Class-D design, flexible signal connections, and configurable four-channel output give you a practical way to build a powerful system without giving up valuable space.
FAQs
- How many channels does the Wet Sounds STXMICRO-4 have? The STXMICRO-4 is a 4-channel Class-D amplifier.
- How much power does the STXMICRO-4 produce? It produces 80W x 4 at 4 ohms, 130W x 4 at 2 ohms, and 280W x 2 when bridged at 4 ohms.
- Does the STXMICRO-4 have an IP rating? Yes. The amplifier has an IP67 rating.
- What type of inputs does the STXMICRO-4 use? It features a 3.5mm signal input for Wet Sounds Bluetooth controllers or direct connection to compatible smartphones and portable audio devices.
- Does the STXMICRO-4 have crossover controls? Yes. It includes fully variable high-pass and low-pass crossovers for flexible system configuration.






