Review on 🔊 High-Quality Bluetooth 5.0 Power Amplifier 2 Channel Stereo Mini Hi-Fi Integrated Amp 2.0 - 50W x 2 USB Wireless Audio Receiver for Home Speakers & Headphones - Douk Audio Tone (Silver) by Shawn Quick

The only problem: he likes to switch off. If this amplifier loses the Bluetooth connection within 30 minutes, it will turn itself off. You need to press and hold the power button for 2 seconds to wake it up before pairing again. That means you can't hide it in a closet or anywhere else. It should be outside where you can press the power button before each use. The vendor says this feature "saves power," but it's fake. I'm an electrical engineer making things harder, and I can tell you that any "energy saving" is marketing babble. Sounds like a typical class D amp. There are dozens of makes and models on the market; They're all made in China, and they all offer amazing sound at a low price. In fact, they tend to use the same scheme internally. The differences are mainly in the advertising and packaging. (Some power supplies are better, but the specs are so dishonest that the manufacturer's words can't be trusted. Stereo equipment has been plagued with this problem for decades; it's not unique to this class of product.) If auto-off works for you , then this amp is fine. If not, you have dozens of other options. Update 01/16/2021: The power supply failed, so I emailed Douk Audio Support about the warranty. They responded quickly and sent a power pack. Based on that experience, customer support has been excellent. In fact, they tend to use the same scheme internally. The differences are mainly in the advertising and packaging. (Some power supplies are better, but the specs are so dishonest that the manufacturer's words can't be trusted. Stereo equipment has been plagued with this problem for decades; it's not unique to this class of product.) If auto-off works for you , then this amp is fine. If not, you have dozens of other options. Update 01/16/2021: The power supply failed, so I emailed Douk Audio Support about the warranty. They responded quickly and sent a power pack. Based on that experience, customer support has been excellent. In fact, they tend to use the same scheme internally. The differences are mainly in the advertising and packaging. (Some power supplies are better, but the specs are so dishonest that the manufacturer's words can't be trusted. Stereo equipment has been plagued with this problem for decades; it's not unique to this class of product.) If auto-off works for you , then this amp is fine. If not, you have dozens of other options. Update 01/16/2021: The power supply failed, so I emailed Douk Audio Support about the warranty. They responded quickly and sent a power pack. Based on that experience, customer support has been excellent. The differences are mainly in the advertising and packaging. (Some power supplies are better, but the specs are so dishonest that the manufacturer's words can't be trusted. Stereo equipment has been plagued with this problem for decades; it's not unique to this class of product.) If auto-off works for you , then this amp is fine. If not, you have dozens of other options. Update 01/16/2021: The power supply failed, so I emailed Douk Audio Support about the warranty. They responded quickly and sent a power pack. Based on that experience, customer support has been excellent. The differences are mainly in the advertising and packaging. (Some PSUs are better, but the specs are so dishonest that the words of the manufacturer cannot be trusted. Stereo equipment has been plagued by this problem for decades; it's not unique to this class of product.) If auto-off works for you, then this amp is fine. If not, you have dozens of other options. Update 01/16/2021: The power supply failed, so I emailed Douk Audio Support about the warranty. They responded quickly and sent a power pack. Based on that experience, customer support has been excellent. Stereo systems have suffered from this problem for many decades; it is not unique. this class of product.) If the auto shutoff works for you, then this amp is fine. If not, you have dozens of other options. Update 01/16/2021: The power supply failed so I emailed Douk Audio Support about the warranty. They responded quickly and sent a power pack. Based on that experience, customer support has been excellent. Stereo systems have suffered from this problem for many decades; it is not unique. this class of product.) If the auto shutoff works for you, then this amp is fine. If not, you have dozens of other options. Update 01/16/2021: The power supply failed, so I emailed Douk Audio Support about the warranty. They responded quickly and sent a power pack. Based on that experience, customer support has been excellent. They responded quickly and sent a power pack. Based on that experience, customer support has been excellent. They responded quickly and sent a power pack. Based on that experience, customer support has been excellent.