Superior stereo performance By adding dual tweeters into the latest evolution of Harman Kardon’s renowned line of portable speakers, the Onyx 7 creates the illusion an immersive, multi-directional soundscape. Elegant design Crafted from premium materials, the Onyx 7 easily blends into your lifestyle and home. The sleek, anodized aluminum handle also doubles as a sturdy base for ease of portability. Wireless Bluetooth Streaming Double your musical possibilities by pairing the playlists of two wireless Bluetooth devices with a portable Onyx 7 speaker for enhanced audio power. 8 hours of playtime With 8 hours of battery life, there’s no power cord tying you down. Experience the freedom of music on the go. Wireless Dual Sound Wirelessly connect two Harman Kardon Onyx Studio 7 speakers for an elevated music listening experience. What’s in the box: Onyx Studio 7 Power adapter Printed materials Specifications: General specification • Model No.: ONYX STUDIO 7 • Transducers: Woofer 1 x 120mm, Tweeter 2 x 25mm • Rated output power: 50W RMS • Power supply: 19V / 2A • Frequency response: 50Hz – 20kHz (-6dB) • Signal-to-noise ratio: > 80dB • Battery type: Li-ion polymer 11.70Wh (equivalent to 3.6V/ 3250mAh) • Battery charge time: 5 hours • Music play time: up to 8 hours (dependent on volume level and audio content) Wireless specification • Bluetooth version: 4.2 • Bluetooth profile: A2DP 1.3, AVRCP 1.6 • Bluetooth transmitter frequency range: 2400MHz – 2480MHz • Bluetooth transmitter power: ≤ 9dBm (EIRP) • Bluetooth transmitter modulation: GFSK, π/4 DQPSK, 8DPSK Dimensions • Dimensions (W x H x D): 268.0 x 302.5 x 159.5mm/ 10.55 x 11.90 x 6.28" • Weight: 3.295kg/ 7.26 lbs