Harman Kardon Onyx Studio 3 Portable Speaker - Black - Box Opened
Tweeter 2 x 20mm. Sold with: UK, EU and USA plug adapters. Box has been opened. (H x W x D) in (mm). Signal-to-Noise Ratio80dB. Frequency Response 50Hz-20kHz (-6dB). Audio Specifications. Support A2DP 1.3 AVRCP 1.5 HFP 1.6.