EAR3 Helmet Amplifier

HomeEAR3 Helmet Amplifier

Amplify Your Helmet Audio

Enjoy powerful, high fidelity audio with the innovative design of the IASUS EAR3 Helmet Amp. This versatile amplifier is made to boost the audio output volume to your helmet speakers. With a built in battery lasting up to 20 hours, the EAR3 helmet amp is the perfect partner to any Bluetooth comm system, smartphone, or mp3 player set up.

music amplifier 10db boost

Built for Helmets

The EAR3H is based on the EAR3 Micro Amp, but with a special attachement designed for helmet users – an IASUS proprietary quick release mounting system. Just snap it on and go.

mobile amplifier

Volume Boost

Engineered for music lovers.

With high-performance audio boost to keep you motivated, a secure fit that won’t shift or fall off during long hours of riding. Whether you are on the track and need to have comms, out riding into the sunset or for your business calls on the go, the EAR3 Helmet Amp is the companion you need for any set up to boost the audio you have desperately been looking for.

audio amplifier for motorcycle helmets

Transparency Mode

Want to hear what’s happening around you? The IASUS EAR3 is a portable audio amplifier with a ‘smart’ mic transparency mode to seamlessly blend your music with the ambient environment around you the way you like it. No more close calls with traffic or interruption to your music. Create a fuller, more robust sound experience as the EAR3 amplifies your audio with the precise analog volume control.

Turn on the EAR3 smart mic transparency mode by pushing the slider to the on position and experience the blend of your music with the outside sound in.

helmet amplifier


+ Output Power: 55mW per channel x 2 @ 16 Ω55mW per, Channel x 2 @ 16 Ω
+ Maximum Output: Less than 0.5mV
+ S/N Ratio: 80dB
+ Sensitivity Frequency Response: 10Hz to 100Khz +0/-0.1dB
+ Impedence: Input: 1k Ohm, Output: 16-32 Ohm
+ Weight: 1.1oz (30g) including battery
+ Battery: Built-in lithium-polymer (LiPo) battery can last up to 20 hours per charge.
+ Dimensions: 2.0″ x 1.5″ x 0.8″ (51mm x 37mm x 20mm)


The small, simple, compact and portable design of the EAR3 Helmet Amp is both practical and powerful, suitable for all helmets to boost the volume of your helmet speakers. Securing and releasing the amp from your helmet with its quick release design allows you to move it between your helmets whenever you want.

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