Elegant design full of features and superior sound
Providing the perfect balance of great sound, iconic design, and premium materials, the Onyx Studio 4 is the epitome of room-filling audio. Crafted to be the best sounding, full featured, portable Bluetooth speaker in its class, the Onyx Studio 4 offers two device connections, 8 hours of playtime and Harman Kardon Connect+, which allows you to connect 100+ speakers with the same feature with the touch of a button. Rounding out the Onyx Studio 4 offerings is a built-in microphone with Voicelogic, echo and noise cancellation for crystal-clear conferencing over the speaker.
Item#
HKOS4BLUAS
General Specifications
Support
A2DP 1.3, AVRCP 1.6, HFP 1.6
Transducers
Woofer 2 x 75mm, Tweeter 2 x 20mm
Rated Power
4 x 15W (AC mode); 4 x 7.5W (Battery mode)
Frequency response
50Hz - 20kHz (-6dB)
Signal to noise ratio
80dB A-weighted
Weight: 2061g
Yes
Dimensions
Dimension (H x W x D): 260mm x 278mm x 159.5mm
Yes
Control and Connection Specifications
Bluetooth version: 4.2
Yes
Bluetooth transmitter power
0 - 9dBm
Bluetooth transmitter frequency range
2402MHz - 2480MHz
Bluetooth transmitter modulation
GFSK, π/4 DQPSK, 8DPSK
Battery
Power supply
19V/2A
Battery type
3.7V/3000mAh Lithium-ion
Battery charge time
5 hours
Music playtime
up to 8 hours (Varies by volume level and music content)
Click here for a complete list of all specs for this product
Spec Sheet (EN)
English 709 KB- 1 x Harman Kardon Onyx Studio 4
- 1 x Power adaptor
- 1 x Quick start guide
- 1 x Safety sheet
- 1 x Warranty card

The latest owner's manuals, quick start guides, and documents.