Sound Barrier LY15BT — 15″ Active Two-Way Full Range 1400W Loudspeaker with SBT Wireless Technology
LY15BT Overview
The Sound Barrier LY15BT is a 1400W active two-way full range loudspeaker built around a high-efficiency 15″ woofer with a 3″ voice coil and a 1″ exit Titanium Compression HF driver, driven by a Class H amplifier for efficient, high-output performance. Designed for versatility across live vocal performances, DJ applications, houses of worship, and public address systems, the LY15BT operates equally well as a vertical main loudspeaker or as a stage floor monitor. The integrated SBT Wireless Technology, built-in FM tuner, and digital media player with USB/SD inputs extend its utility beyond a conventional powered speaker. Audio engineers, system integrators, and venue operators will find the LY15BT a capable self-contained solution for a wide range of fixed and portable applications.
The rear panel hosts a 6-button digital multimedia controller with a blue LCD screen, two-band EQ for sound shaping, and LED limit/peak indicators to monitor amplifier headroom. An NL4 parallel speaker output allows the LY15BT to send both signal and power to a compatible LY15P passive 15″ loudspeaker, enabling straightforward system expansion without additional amplification.
Key Features
- 15″ High-Efficiency Woofer — 15″ low-frequency driver with a 3″ voice coil for extended bass output and thermal handling
- 1″ Exit Titanium Compression HF Driver — Titanium diaphragm compression driver delivers clear, controlled high-frequency reproduction
- Class H Amplification — 1400W Class H amplifier provides high efficiency and thermal management under sustained load
- SBT Wireless Technology — Integrated wireless connectivity for cable-free audio streaming from compatible source devices
- Built-In Digital Media Player — Onboard USB and SD flash memory inputs with 6-button control interface and blue LCD display on the rear panel
- FM Radio Tuner — Integrated FM tuner accessible via the onboard multimedia player
- Two-Band Integrated EQ — Onboard two-band equalizer for tailoring system response to the venue or application
- NL4 Parallel Speaker Output — Sends signal and power to an LY15P passive 15″ loudspeaker for system expansion
- LED Limit/Peak Indicators — Visual monitoring of signal saturation and amplifier overload conditions
- Dual-Use Enclosure — Designed for use as a vertical main loudspeaker or as a stage/floor monitor
Connectivity & I/O
- XLR Microphone Input
- 1/4″ TRS Microphone Input
- XLR Line Input
- RCA Line Input
- USB Flash Memory Input
- SD Flash Memory Input
- XLR Signal Output
- 1/4″ Signal Output
- NL4 Parallel Speaker Output (signal and power to LY15P passive loudspeaker)

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