I'm here to help! Please provide more details about what specific assistance you need with 731 and 732 so I can better assist you. **

It ultimately depends on your specific needs and preferences. A soundbar with surround sound typically offers a more immersive audio experience, with separate speakers to create a more realistic surround sound effect. On the other hand, an adaptive soundbar is designed to analyze the acoustics of your room and adjust the sound output accordingly, providing a more customized listening experience. If you prioritize a more immersive surround sound experience, a soundbar with surround sound may be better for you. However, if you value a more personalized and adaptable audio experience, an adaptive soundbar may be the better choice. **

To expand a soundbar to have surround sound, you can add additional speakers to create a multi-channel audio setup. One option is to purchase a separate set of surround sound speakers and connect them to your soundbar using speaker wire or a wireless connection, if supported. Another option is to invest in a soundbar system that includes wireless surround speakers, which can be placed behind or to the sides of the listening area to create a more immersive surround sound experience. Some soundbars also support the addition of a subwoofer for enhanced bass, further enhancing the overall audio experience. **

To repair a door speaker, you can start by checking the wiring and connections to ensure they are secure and not damaged. If the wiring is intact, you can then remove the speaker from the door panel and inspect it for any visible damage such as tears in the cone or damage to the voice coil. If the speaker is damaged, you may need to replace it with a new one. If the speaker appears to be in good condition, you can also test it with a multimeter to check for any electrical issues. Once the issue is identified, you can then proceed with repairing or replacing the speaker as needed. **

With a budget of 80 euros, there are several options for wireless headphones that offer good quality and features. Brands like JBL, Sony, and Skullcandy offer wireless headphones within this price range that provide good sound quality, comfortable fit, and decent battery life. It's important to consider factors such as battery life, sound quality, and comfort when choosing wireless headphones within this budget. Additionally, looking for sales or discounts from reputable retailers can help you find a good deal on wireless headphones within your budget. **

There could be several reasons why the rear speaker is not working in surround sound. It could be due to a loose connection or faulty wiring between the speaker and the audio receiver. Another possibility is that the speaker itself is damaged or not properly set up in the audio system settings. It is also important to check if the audio source being played is encoded in surround sound and that the receiver is configured to output sound to all speakers. **

No, you cannot directly connect a Bluetooth speaker to an active subwoofer. Bluetooth speakers are designed to receive audio signals wirelessly from devices like smartphones or computers, while active subwoofers typically require a wired connection to a sound system or amplifier. You would need to connect your Bluetooth speaker to a device that has audio output capabilities, and then connect that device to the active subwoofer using the appropriate cables. **

A wireless door opener can be retrofitted by installing a wireless receiver and transmitter system onto the existing door opener mechanism. The wireless receiver is connected to the door opener, while the transmitter can be placed anywhere within range to activate the door. This allows for remote operation of the door opener without the need for physical keys or manual operation. Additionally, some wireless door openers can be integrated with smart home systems for added convenience and control. **