Avantree Quartet - 4 Wireless Headphones & 1 Transmitter for Multi-Listener TV, Silent Disco, Church Hearing Assistance | Scalable to 100 Users | Zero Lip-Sync Delay | Perfect for Home Theater, Fitness Classes, and Language Learning

As the best solution for group listening, the Quartet offers high-quality 2.4Ghz audio with individual volume control and no lip-sync delays at a range of up to 328ft / 100m. 1. Plug Plug the transmitter into a power outlet and connect to the audio source's audio output port. 2. Switch If necessary, switch your audio source's (i.e. your TV's) settings to "PCM / Stereo." 3. Play Turn on your headphones and transmitter; they will connect automatically. Hit play and enjoy! Add More Headphones Just pair the extra headphones with the transmitter. You can add up to 100 headphones to one transmitter. Add More Transmitters To have few transmitters at the same place, simply place them 3 feet apart. No need to re-program them. Works Alongside Your Speaker The Quartet's pass-through capabilities allows simultaneous audio output through both the headphones and your TV's external speaker or soundbar. Clear Voice with 2 EQ Quartet headphones come with 2 EQ modes -- a balanced sound mode and a clear voice mode that raises the volume for dialogue and lowers background noises. Ergonomic Design Each of the headphones is lightweight, flexible, and soft. Enjoy wearing these comfortable headphones all-day with no pain. Replaceable ear-pads are available to extend lifetime. Extended Long Range The transmitter provides a stable and reliable connection for ranges of up to 100ft / 30m indoors and 328ft / 100m outdoors. Please note that physical obstacles may negatively affect the range. Specification of Headphones: Supported profiles: HSP, HFP, A2DP, AVRCP; Supported audio codecs: 2.4GOperating time: up to 20 hours play time and 20 days standby timeDriver size: 40mm; Impedance: 32 ohmFrequency response: 20Hz-20KHz Specification of Transmitter: Supported profiles: A2DP, HFP, AVRCPSupported audio codecs: 2.4GOperating range: up to 100ft/30m indoors, up to 328 ft/100m outdoors What's in the box? Headphones X 4Transmitter X 1Charging cable for transmitter X 1 (1M/ 3.2FT )Optical audio cable X 1 (1.5M/5FT)AUX 3.5mm audio cable for Transmitter X 1 (1.5M/5FT)AUX 3.5mm female to RCA male adapter X 1 (35CM/ 1.2FT)4 in 1 Charging Cable for Headphones X 1 (60CM/ 2FT) Before You Buy, Please Note That... The Quartet transmitter & headphones connect via private protocol and can only connect to each other. Avantree Quartet-Extra & Duet-Extra headphones are compatible as additional headphones for the Quartet transmitter. Avantree Quartet Avantree Shift Avantree Audiplex Avantree HT3831 Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.5 out of 5 stars 218 4.3 out of 5 stars 105 4.2 out of 5 stars 142 3.8 out of 5 stars 998 Price $289.99$289.99 $235.99$235.99 $169.99$169.99 $219.99$219.99 MSRP 249.99 USD 199.99 USD 129.99 USD 219.99 USD Wireless Connectivity 2.4G RF 2.4G RF 2.4G RF 2.4G RF Clear Dialogue Mode ✓ ✓ - no data - no data Operating Range 100ft / 30m 100ft / 30m 100ft / 30m 100ft / 30m Latency ＜30ms ＜30ms ＜30ms ＜30ms Boosted Volumes ✓ ✓ - no data ✓ Works w/ 2-3 TV Simultaneously - no data ✓ - no data - no data Easily Swap Links between TVs - no data ✓ - no data - no data Additional Headphones Support Up to 100 Up to 100 Up to 100 Up to 100 Best for Watchparty, church, class, etc Homes with 2-3 TVs Watchparty, church, etc. Watchparty, church, etc.