Yamaha RX-V385 5.1-Channel 4K Ultra HD AV Receiver with Bluetooth and YPAO Microphone + Wireless Remote Control, 4 AAA Batteries and PremGear Cleaning Cloth
This Yamaha 5.1-Channel AV receiver brings the best technologies to your home including Dolby vision, 4K Ultra HD, HDR10 and Bluetooth. Yamaha Cinema DSP technology supports playback of HD Audio (Dolby True HD, DTS-HD Master Audio, etc.), providing natural and expansive sound imaging. Yamaha Parametric room Acoustic Optimizer (YPAO) analyses the room acoustics and your system, then precisely adjusts various audio parameters to provide the best sound for your room. Simply by placing the supplied microphone at your listening position and switching YPAO on, the system is automatically tuned for optimum performance in your home theatre room. The RX-V385 was designed with a strong focus on achieving exceptionally high clarity sound. Thanks to its built-in Bluetooth functionality, this AV receiver lets you enjoy easy wireless music playback from smartphones and other devices. The Compressed Music Enhancer from Yamaha is now optimized for Bluetooth audio transmissions to ensure that your music will have vivid, dynamic sound quality during wireless playback. Providing complete compatibility with the latest HDMI standards, this AV receiver delivers transmission of 4K video at 60 frames per second pass-through. It also supports HDR (high dynamic range) Video including Dolby Vision and Hybrid Log-Gamma which provides incredible contrast, smooth tone and rich, bright colors giving you full, high-definition enjoyment with an exceptionally realistic and natural picture quality. The RX-V385 features bi-amping capability, driving the treble and bass ranges of the front speakers (L, R) with independent amplifiers. When Eco Mode is turned on it can reduce power consumption by about 20 percent. Yamaha knows music, shares your passion for great sound.What’s in the box:
* Yamaha RX-V385 5.1-Channel A/V Receiver
* Remote Control
* YPAO Microphone
* FM Antenna
* AM Antenna
* 4 AAA Batteries (for remote)
* PremGear Quality Cleaning Cloth
Enjoy 5.1-channel surround sound with your favorite speaker system and the Yamaha RX-V385 5.1-Channel A/V Receiver
70 watts per channel into 8 ohms (20-20,000 Hz) at 0.09% THD, with 2 channels driven. Dolby and DTS surround sound decoding
4K Ultra HD HDMI Support – Providing complete compatibility with the latest HDMI standards, this AV receiver delivers transmission of 4K video at 60 frames/second pass-through. It also supports HDR (high dynamic range) Video including Dolby Vision and Hybrid Log-Gamma
YPAO (Yamaha Parametric room Acoustic Optimizer) analyses the room acoustics and your system, then precisely adjusts various audio parameters to provide the best sound for your room. Simply by placing the supplied microphone at your listening position and switching YPAO on, the system is automatically tuned for optimum performance in your home theatre room
Features bi-amping capability, driving the treble and bass ranges of the front speakers (L, R) with independent amplifiers. In addition to providing greater power, it also prevents interference between the high and low sounds, further improving the sound of the front speakers

Benefits of quality speakers
With quality speakers, you can expect a much better listening experience. One of the main advantages is that they provide clearer and more accurate sound, allowing you to hear all the details in your favorite music or movies. This is because these speakers are designed to reproduce a wider and more accurate frequency range, which means you can hear the lowest and highest sounds more clearly.
In addition, quality speakers typically have a more powerful and immersive sound, allowing you to fully immerse yourself in the listening experience. This is especially useful when watching movies, as it allows you to feel as if you are in the scene itself.
Another advantage of quality speakers is their durable and sturdy construction. Quality speakers are made from high-quality materials and are designed to withstand prolonged use. This means that you can enjoy high-quality sound for many years without having to worry about the need to replace them.
In short, quality speakers offer a much better listening experience, with clearer, more accurate and powerful sound, better bass and treble reproduction, and a durable, rugged construction for long-lasting use.
There are several types of speakers, including:
1.-Box speakers: these are the most common speakers and are used in a variety of applications, from home sound systems to professional sound equipment.
2.-Column speakers: they are similar to box speakers, but have a taller and more streamlined design.
3.-Satellite speakers: are small speakers that are used in conjunction with a subwoofer to provide surround sound.
4.-Tweeter and midrange speakers: these are specialized speakers used to reproduce high and mid-frequency sounds.
5.-Bass speakers: these are specialized speakers used to reproduce low frequency sounds, such as bass.
6.-Wireless speakers: speakers that connect to a device via a wireless connection, such as Bluetooth or Wi-Fi.
7.-Home theater speakers: these are specialized speakers used in home theater systems to provide high-quality, immersive sound.
8.-Monitor speakers: these are specialized speakers used in recording and production studios to provide accurate and detailed sound.
9.-Bookshelf speakers: are medium-sized speakers that are placed on a shelf or furniture, ideal for small environments and to complement a home sound system.