Harman Kardon Aura Studio Grey (HKLUNAGRYEU) is a portable speaker system with Bluetooth 4.2 connectivity supporting A2DP and AVRCP profiles. It delivers powerful sound with 2 × 15 W RMS mid-high drivers and a 1 × 100 W RMS subwoofer. The frequency response ranges from 45 Hz to 20 kHz with an 80 dB signal-to-noise ratio. It features 360-degree sound with multiple 40 mm drivers and a 130 mm subwoofer. Powered by 100–240 V mains, it measures 283.6 × 232 × 232 mm and weighs 3.6 kg.