Lightning Audio Amplifier hearing aid ER-15 Provides uniform 15 dB

ER-15 Provides uniform 15 dB sound reduction across frequencies (A great all around musician earplug filter)

Charging Time: About 1

which results in smooth

but The Listening Stack offers hearing aid batteries as low as $3

The Listening Stack carries two types of musician earplug filters

Lightning Audio Amplifier hearing aid ER-15 Provides uniform 15 dBAdvanced Sounds high resolution audio amplifier is designed for listeners that want to maximize their HiRes audio files with their HiRes earbuds! The built in DAC and amplifier bring the audio processing required to render the HiRes audio files directly from your iPhone and iPod. Don't miss out on true audio, get the accessport today! High resolution 24 bit Lossless Audio ADVANCED Accessport provides stunning, high resolution, 24 bit audio for your