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.
