The original power amplifier in the home is in disrepair, the left and right channels are obviously unbalanced, and there is a buzzing noise when the power is turned on. It is estimated that the filter capacitor is broken. It is not what advanced goods are, and it does not support HDMI. It should also be replaced by another generation. The amplifiers played and they found the goods: Yamaha RX-V679. Originally would like to enter a Tianlong 1200W, but unfortunately ready to start when found that Jingdong actually changed the rules, bad tickets, and bad mood, coupled with the said that the Dragon's failure rate is quite high, or insurance, into Yamaha. This amplifier is not a Jingdong shipment, but shipped directly from the manufacturer. Sending Shunfeng from Shanghai, it was quite fast. The next day arrived. A big box was sent directly to the building. The gold bought is also in harmony with my original color and furniture. The side is some parameters, instructions. Unpacking is always a pleasant thing, especially for digital products, hahaha. . . This is the mainframe, the weight can be, in the age of weight than the quality, this entry in the product is also OK. Front HDMI input and USB port. The HDMI port can be used temporarily. As for the USB port, I guess it will not be used. The volume knob feels good, damping in place, not the feeling of cheap goods. The upper part of the fuselage is covered with cooling holes. At the same time, it supports the technical specifications. This version is Bluetooth-enabled. The front panel has a headphone output, the top is still the power button, the power button next to the microphone input hole, the sound field test needs to use. There are several common function buttons in the middle of the panel. The emergency will not affect the use of the power amplifier when the remote controller is not powered or damaged. The buttons in the black panel section are mainly related to broadcasting, and are not commonly used, so the design is relatively hidden, so that the overall power amplifier panel is relatively simple. Look behind the amplifier. The input and output interfaces are complete. The left half has a coaxial, optical fiber, RCA interface, etc., 5HDMI input 1HDMI output. The right side is basically a speaker output that supports 7.2 speakers. There is a network interface that supports wifi wireless. All accessories, a bunch of materials did not find the instructions, the original release on the disc. The original remote controller was in English and sent Zhang Chinese stickers. Stickers were written in Chinese. The ring type is the AM antenna, the white line is the FM antenna, and the middle one is the sound field test microphone. Connected to try the sound field test, actually found that my left rear speaker wiring is reversed! I did not find it for so many years. . . Connected to the wireless, prompted to find new firmware, Sheng! Then it looked at the display from 1%-100%, again from 1-100%, and waited for about 20 minutes to rise. Prompt to shut down, restart, okay, normal boot, did not change bricks. Talk about the sound quality? I'm out of the box for drying. According to the speaker amplifier with a 2:1 formula, it seems that my speakers can be driven by it. Because I don't have any money for a subwoofer, bass is all coming out of the main box. The subwoofer is set to not use in the setting, the main box surround all set to large, open the bass extension, try to watch the movie, the effect is good, the bass is also a little bit, much better than before, ha ha ha. . . God recommended a 2K subwoofer? Will someone say that the old Qin 3112D? Battery Online Monitoring System Multifunctional Battery,Read Data And Information Battery,Safety Monitoring System Battery,Custom Monitoring System Battery Wolong Electric Group Zhejiang Dengta Power Source Co.,Ltd , https://www.wldtbattery.com
