The market is currently flooded with an endless range of choices when it comes to portable Bluetooth speakers. It is very difficult for the buyers to choose the best one. When we asked the experts, here is what they had t say: it is important to buy the one that has the best form factor, features and price point.

The Harman Kardon Onyx is the latest entry in the market with a high-end volume and bass capabilities. When you remove the speaker grill of the device, it shows four transducers. There are two three-inch woofers and two three-fourth-inch tweeters. The device is also provided with dual passive radiators under the hood, which will result in offering balanced sound profile.

Flip the speaker around and you will see a textured leather backside with a circular silver label. The silver label moves whenever you play a song with heavy bass.

The Harman Kardon Onyx is also equipped with power and aux-in ports as well as a USB 2.0 connection, which allow users to charge the portable device while speaker is plugged in to power.

Additionally, the device features an LED-backlit, touch-sensitive controls as well as Bluetooth and wireless buttons/indicators.

The device is available with a price tag of USD500 and it comes under the high-end category in the portable speaker market.