Previous page Lasting Comfort Soft earpads and an adjustable headband provide all-day comfort. Instant Mute Mute the audio with a single click of a button (farewell, ads!). 2.4Ghz & Bluetooth Swap between 2.4Ghz for TV watching or Bluetooth for independent use. Next page 1 Lasting Comfort 2 Instant Mute 4 2.4Ghz & Bluetooth Easy Setup Plug Plug the transmitter into a power outlet and connect to your audio source’s audio output port. Power Power on the transmitter and the headphones. They will automatically connect. Switch Switch your TV’s audio settings to “PCM / Stereo.” Play Sit back, relax, and enjoy! Key Features Universal compatibility - Connect to your TV via OPT, AUX, or RCA. Swap the headphones to Bluetooth for independent use as well.No lip-sync delays - A latency of less than 30ms provides perfectly synced visual & audio.Plug & play - The headphones & transmitter connect automatically via 2.4Ghz – no pairing required.3 EQ modes - Choose among clear dialogue, cinema, and well-balanced EQ modes.Pass-through support - Listen simultaneously through an external soundbar. SPECIFICATION Headphones’ Supported Profiles HFP 1.7, HSP 1.2, A2DP 1.3, AVRCP 1.6 Playtime UP to 20hr Driver Size 40mm Impedance 32Ω Sensitivity 96dB Frequency Response 20Hz - 20KHz Operating Range Up to 164ft / 50m Power Supply 5V/ 500mA-2A Power Port Type C Net Weight 245g Can I connect a second pair of headphones to the transmitter? Yes, but only another pair of Opera Plus headphones. Will the headphones work with my phone? Yes, just make sure to swap the headphones to Bluetooth mode first. Can I use clear dialogue mode & cinema mode at the same time? No, you can only use one EQ mode at a time. What’s the headphones’ battery life? The Opera Plus headphones have a battery life of up to 20hr when used with the transmitter to watch TV and up to 35hr when connected via Bluetooth to your phone or similar. Comparison Table Avantree Opera Plus Add to Cart Avantree Opera Add to Cart Avantree Ensemble Add to Cart Avantree Duet Add to Cart Avantree HT41899 Add to Cart Customer Reviews 4.3 out of 5 stars 321 4.3 out of 5 stars 4,174 4.4 out of 5 stars 13,079 4.4 out of 5 stars 1,585 4.4 out of 5 stars 4,502 Price $219.99$219.99 $199.99$199.99 $144.99$144.99 $299.99$299.99 $219.99$219.99 Wireless Technology Bluetooth & 2.4G RF Bluetooth Bluetooth 2.4G RF Bluetooth Input Ports OPT, AUX, RCA OPT, AUX, RCA OPT, AUX, RCA OPT, AUX, RCA OPT, AUX, RCA Playtime ≤ 20hr ≤ 35hr ≤ 35hr ≤ 20hr ≤ 40hr Easily Swap Between TV & Phone ✔ ✘ ✘ ✘ ✘ Latency <30ms <40ms <40ms <30ms <40ms Clear Dialogue Mode ✔ ✔ ✘ ✔ ✘ Cinema Mode ✔ ✘ ✘ ✘ ✘ Pass-Through Support ✔ ✔ ✘ ✔ ✘ Additional Headphones Support Up to 2 Headphones Up to 2 Headphones Up to 2 Headphones Up to 100 Headphones Up to 2 Headphones Recommended Extra Headphones Only Opera Plus-Extra AS90C & Other BT Headphones AS50 & Other BT Headphones Only Duet- & Quartet-Extra - Charging Base/Transmitter 2in1 ✔ ✔ ✔ ✔ ✘