Shure SE215-K Professional Sound Isolating Earphones with Single Dynamic MicroDriver, Secure In-Ear Fit - Black yamaha receivers while three separate woofer enclosures

while three separate woofer enclosures with 2" wide-flared optimized rear-firing ports (one for each woofer) deliver smooth and accurate bass response

Frequency response: 20 Hz - 20 kHz

RMS Power Output (2ohm): 75Wx4

- YPAO auto-optimization tuning for your listening environment

these powerful 4-ohm speakers feature sealed motors

Shure SE215-K Professional Sound Isolating Earphones with Single Dynamic MicroDriver, Secure In-Ear Fit - Black yamaha receivers while three separate woofer enclosuresShure SE215 Sound Isolating In Ear Stereo Earphones (Black) The Black SE215 Sound Isolating In Ear Stereo Earphones from Shure offer notable sound quality in a lightweight and affordable package. The headphones use dynamic MicroDrivers to deliver clear, natural audio with an extended bass response for a rich, lifelike listening experience. The detachable cable has formable wires that fit over the ears to stay out of the way whether you're listening on