Soundking-KB15A Mid-Range Vector Sound Speaker
Product Overview
The Soundking-KB15A is an active, two-way PA speaker designed for live sound applications. It integrates built-in amplification and is suited for use as a compact stage monitor or a main front-of-house speaker.
Amplification & Acoustic Drivers
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Amplifier Configuration:
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Class D amplifier for the low-frequency driver (LF): ~250 W
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High-frequency driver (HF) powered by ~70 W
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Total system power is often listed as 320 W
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Drivers:
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Woofer (LF): 15″ with a voice coil around 50 mm or 65 mm, depending on the source
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Tweeter (HF): AL-film with a 34 mm voice coil delivering clear and crisp highs
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Performance
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Frequency Response: Approximately 42 Hz to 20 kHz, covering a wide audio range.
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Crossover Frequency: Around 3 kHz, dividing low and high frequencies.
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Maximum Sound Pressure Level (SPL): Between 121 dB and 123 dB, capable of high-volume output suitable for demanding environments.
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Coverage (Dispersion): Approximately 90° horizontal × 60° vertical dispersion pattern for wide sound dispersion.
Physical & Design Features
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Dimensions (W × H × D):
495 × 720 × 365 mm -
Weight: ~31 kg, making it robust and stable for live applications.
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Enclosure Attributes:
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Built with a rugged, molded plastic or composite cabinet.
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Durable steel grille and integrated handles for portability and protection.
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Often includes built-in limiter protection and thermal safeguards for extended reliability.
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Technical Summary
| Specification | Details |
|---|---|
| Type | 2‑Way Active PA / Stage Monitor |
| Amplifier Power | ~250 W (LF, Class D) / ~70 W (HF) |
| Total Power | ~320 W |
| Drivers | 15″ woofer, AL‑film tweeter (34 mm) |
| Frequency Range | ~42 Hz – 20 kHz |
| Crossover | ~3 kHz |
| Max SPL | ~121–123 dB |
| Dispersion | ~90° (H) × 60° (V) |
| Dimensions (W×H×D) | 495 × 720 × 365 mm |
| Weight | ~31 kg |
| Additional Features | Built-in limiter, handles, sturdy grille |
Summary
The Soundking-KB15A active monitor is a powerful and reliable choice for live performance environments, combining solid low-end output from its 15‑inch woofer with clear highs from its aluminum-film tweeter. Its robust amplification, durable build, and practical features like handles and protective grille make it a smart pick for musicians, DJs, and sound engineers needing dependable, on-point audio delivery.
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