I had a chance to test and compare two models: Samsung HW-A450 vs Polk Audio MagniFi 2 and this review should help people who are looking for a good soundbar. The Samsung HW-A450 was rated 4, while the Polk Audio MagniFi 2 has a rating 6.6. Soundbars have the same set of buttons - power, source, demo, volume down, volume up.
Each of the models under consideration has active amplification type. By the number of channels, the devices do not differ. The built-in subwoofer is not implemented in any of these models. An external subwoofer can be connected to any of the units in this comparison. Rate 5 out of 10 received the Samsung HW-A450 for audio features and specs, but the Polk Audio MagniFi 2 received 4 out of 10.
The MagniFi 2 can play audio from Spotify.
Wireless Internet connection is realized only in the MagniFi 2. Soundbars from this comparison have Bluetooth support. The HDMI Audio Return Channel (ARC) is implemented only in the MagniFi 2. The connectivity of each of the models was estimated at 5/10.
The manufacturer of the MagniFi 2 provides a device control application. The Polk Audio MagniFi 2 equipped with a microphone. The models under consideration cannot become part of a multiroom system.
Dolby Atmos audio decoder support is not implemented in either the HW-A450 or MagniFi 2. Devices from this comparison cannot process surround sound due to lack of DTS:X. The HW-A450 was rated 6/10, while the MagniFi 2 received a mark of 5/10 for multichannel surround.