Harman Kardon Onyx Studio 4 Repair

• Transducer Array: Dual 75mm (3-inch) woofers and dual 20mm (0.75-inch) tweeters, supplemented by front and rear-facing passive radiators.
• Rated Power: Delivers 4 x 15W (60W total) when connected to AC power; in battery mode, the output is throttled to 4 x 7.5W (30W total) to optimize power consumption.
• Frequency Response: Ranges from 50Hz to 20kHz (-6dB), providing a slightly deeper low-end extension compared to the original Studio models.
• Signal-to-Noise Ratio: 80dB (A-weighted), ensuring high-fidelity audio reproduction with minimal floor noise.

• Bluetooth 4.2: Supports A2DP 1.3, AVRCP 1.6, and HFP 1.6; it allows for the simultaneous connection of two smart devices for social music sharing.
• HK Connect+: A major technical upgrade over previous iterations, enabling massive multi-speaker synchronization via a dedicated hardware button.
• Voice Integration: Compatible with the HK Connect app, allowing the "Play" button to be reconfigured as a trigger for Siri or Google Assistant.

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• Battery Tech: Features a 3.7V, 3000mAh Lithium-ion battery, an increase in capacity over the Studio 3, supporting up to 8 hours of playback.
• Power Supply: Utilizes a standard 19V / 2.0A AC adapter; the charging cycle from 0% to 100% takes approximately 5 hours.
• Power Management: Includes an auto-standby feature and a dedicated hardware power switch located on the top rubberized rim.

• Weight: 4.54 lbs (2061g).
• Dimensions (H x W x D): 10.2 x 10.9 x 6.3 inches (260 x 278 x 159.5 mm).