Iasus XSound2 Helmet Speakers

The Iasus XSound2 speakers are high-fidelity speakers that will impress even the biggest of audiophiles! They are less than 1/2" thick, so they fit well in just about any helmet. The sound is phenomenal and hearing is believing! These speakers include an inline volume control and come with a 1 year manufacturer's limited warranty. Specifications: Speakers: Dimensions: 1 3/4" diameter X 7/16" thick Impedance: 60 ohms at 1KHz Frequency Response: 20Hz-22KHz Sensitivity: 108 dB at 1 KHz Max Power: 500 mW with 1/8" connector plug Connector Cable: Stereo music cable: 1/8" jack to 1/8" plug with inline volume control