Sony AS210 Sport In-Ear Headphones Black and you can add up

and you can add up to 4 more remote headsets for a 9-person system

broadcast-quality audio quickly and easily using the MoveMic One from Shure

6 design while still retaining autofocus operation

but you can efficiently expand the lighting setup with optional brackets that can hold two or three units simultaneously

Sony AS210 Sport In-Ear Headphones Black and you can add upSony AS210AP Overview Key Features Splash Proof for All Weather Listening 0. 5" Drivers 17 Hz to 22 kHz Frequency Response L Shaped Gold Plated 4 Pole Mini Plug Adjustable Loop Hangers Integrated 3. 9' Y Type Cable The black AS210AP Sport In Ear Headphones with Built In Microphone from Sony feature adjustable loop hangers for a secure fit while playing sports, a 3. 9' cord for room to move, and 0. 5" drivers that deliver an optimized frequency range.