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dB Technologies KL 15 — Portable 15" Active PA Speaker with Bluetooth and DSP

The dB Technologies KL 15 is a 2-way active loudspeaker built for mobile DJs, solo performers, and small live venues that need serious output without complicated rigging. A 15" woofer and a 1" compression driver are pushed by an 800 W peak bi-amp, reaching 128 dB SPL while staying controlled. The cabinet ships with a padded cover and a dedicated cable pocket for organized transport between gigs.

Linear-Phase FIR DSP and a Self-Contained 3-Channel Mixer

What separates this model from typical 15" powered boxes is the linear-phase FIR filter engine running on a 20/56-bit DSP, which keeps phase response linear across the listening area for clearer vocals and tighter low end. Four front-panel presets — Playback, Flat, Bass Boost, and Wedge — adapt the voicing in seconds. The rear panel hosts a balanced combo XLR/Jack mic/line input, an XLR/TRS line input, and a Bluetooth receiver for wireless streaming, plus a switchable LINK/MIX XLR output.

Acoustic and Amplifier Specifications

The acoustic and amplifier chain is tuned for full-range use without a sub, while the dual-angle pole mount makes stacking on a subwoofer straightforward when more low end is needed.

• Frequency Response: 48 Hz – 18 kHz (-10 dB) — full-range coverage from kick drum to airy cymbals
• Max SPL: 128 dB — headroom for roughly 60–100 people per pair
• Amplifier Power: 800 W peak (Class D LF + Class AB HF) — bi-amped topology for accurate driver control
• HF Driver: 1" compression driver, 1.35" voice coil — handles the upper register with minimal distortion
• The 15" woofer with a 2.5" voice coil moves serious air to produce a deep, impactful low end.

Who this instrument is built for

This model is the right choice for mobile DJs, solo singer-songwriters, small bands, and venue operators who need a single self-powered cabinet that covers a 60–100 person room without external processing. Bluetooth streaming makes it equally useful for bars, restaurants, fitness studios, and conference hosts. The 19.3 kg polypropylene enclosure, three carrying handles, and dual-angle pole mount cup make load-in a one-person job, while the symmetrical 45° wedge sides let the same box double as a stage monitor.