This "smells" like a power DAC running at that sample rate. I connected the analog output of my Audio Precision analyzer to Line in and used balanced connection to analyzer/dummy load to measure performance at nearly 5 watts with 4 ohm load (280 milliwatts output level from analyzer): There are others for itunes, etc.īrowsing local content on my phone was fast and trouble-free. In advanced settings, there is a sensitivity selector from 1 to 6 (?) with 2 being the default for AV components. The front panel controls seem to do the same thing (?). A single step would go from 6 to 12 watts of output or some such thing. I don't know how this is usable in practice. Speaking of volume control in the app, at least on Android, it has very coarse steps to control line in volume. This provided quite a surprise when I streamed 0 dBFS reference tone from my player and watched the power meter in my analyzer peg to max! Thankfully I was not using any speakers connected to amp. While there is a volume control in SONOS app, when you stream using airplay, it takes the volume control from source player. It takes priority over line in so if you are playing from that input, it will be overridden and streaming content will play. There is airplay support which allowed me to stream content to it from my Roon player. Why do I need to "browse" to select the line in as an input? Why is the unit called a "speaker" in settings? The rest of the user interface is also rough as far as usability. Overall, I found the messaging in the app cryptic and uninformative. As is typical here, it immediately wanted to update the firmware in it. I had to push the button on top left to enable it to find it. Just plugging the unit in allowed the SONOS app on Android to find it but could not talk to it. You will need some kind of solvent to keep it clean. It picks up oil from skin from barely touching it and I could not wipe them clean with a microfiber. The paint on the SONOS Amp feels very nice but is a huge smudge magnet. Likewise there is an HDMI input but since it does not pass through, I could not test with it. There is a sub output which I like but did not test. The jack seems to be smart in that if nothing was connected to it, it would refuse to "play" from that source. But again, I hate to think how much was spent on mechanical engineering and single sourcing of these jacks.įor the first time (?) there is analog input and SONOS shows this playing from a turntable in their promotional videos. The metal banana jacks are very tight and provide a nice secure connection. You are then given adapters like the one I have plugged in on the "LEFT" channel if you want to connect bare wire. Somewhat similarly there are banana sockets but they are flush and custom made in metal. If the final outcome is that if I need a longer cord I have to go to SONOS, they deserve a few curse words on that. I shutter to think how much it cost to tool the socket and power cord including the regulatory and safety costs. It looks very nice when plugged in but why on earth would I care what the back of the unit looks like in this regard? Granted, the cord is flexible and feels nice in hand when you plug it in. It seems to be a proprietary connection, mating with a beautifully made power cord. I am referring to the power socket on the left.
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