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Home Professional AudioActive Line Array SystemActive Column Line Array Speaker System Professional Line Array Loudspeaker System LA-4240B LA-150SUB

280w+700w

Professional Line Array Loudspeaker System

LA-4240B LA-150SUB
  • Full-range drivers: 4×4" units deliver high clarity and balanced sound across a wide frequency range.
  • Subwoofer: 15" woofer provides powerful low-frequency output for enhanced bass.
  • Telescoping support pole: Integrated cable allows easy height adjustment and flexible positioning for optimal projection.
  • Durable construction: Aluminum alloy enclosure with waterproof sound mesh ensures long-lasting reliability.
  • Compact storage: Full-range speakers detach and store inside the subwoofer's bass reflex port for easy transport.
  • Mobility: 4×4" silent wheels with brakes provide smooth movement and secure setup.
  • Versatile applications: Suitable for both mobile and fixed installations—banquet halls, conference rooms, and outdoor venues.
Overview Specifications Brochure Related Products Solutions Latest News & Cases

The LA-4240B is a compact linear array speaker equipped with four 4" full-range drivers, suitable for both voice and music reproduction. The LA-150SUB is an active subwoofer featuring advanced digital signal processing, a powerful 15" woofer, and a high-output amplifier module, delivering exceptional output and reliable audio performance.

For enhanced portability, the full-range speakers can be detached and conveniently stored inside the subwoofer's bass reflex port, significantly reducing the system's footprint during transport.

When deployed as a complete system—two LA-4240B units paired with one LA-150SUB—it produces clear, vibrant sound with deep bass extension. The system offers easy installation and achieves a high sound pressure level that outperforms comparable products. With impressive outdoor projection capabilities, it is ideally suited for a wide range of venues, including churches, museums, live sound events, train stations, airports, sports facilities, legislative buildings, conference rooms, lecture halls, shopping malls, and A/V demonstration rooms.



Specifications of Professional Line Array Loudspeaker System LA-4240B LA-150SUB


Model

LA-4240B

Speaker Unit

4 × 4"Full-rangeDrivers

Rated Power

280W @ 8Ω / 800W (peak)

Frequency Range

100Hz-20kHz

Sensitivity(1W/1m)

98dB

SPL

120dB (Continuous), 130dB (Peak)

Nominal Impedance

8Ω

Nominal Coverage Angle (H × V)

120° × 80°

Crossover Frequency

120Hz

Connectors

Two Neutrik NL4Sockets (1-/1+)

Enclosure Material

AluminumAlloy

Product Dimension(W×H×D)

125 × 500 × 138mm

Product Weight

7.2kg


Model

LA-150SUB

Speaker Unit

1 × 15"Woofer, 220mmmagnet / 100mm voice coil

Rated Power

700W (Continuous), 1600W (Peak)

Frequency Response

32Hz - 300Hz

Sensitivity(1W/1m)

97.5dB

SPL

130dB (Continuous), 136dB (Peak)

Nominal Impedance

8Ω

Crossover Frequency

120Hz

Connectors

One Neutrik NL4 Socket

Product Dimension(W×H×D)

500 ×486 ×550mm

Product Weight

35kg

Amplifier Module

Power Configuration

1200W + 800W @ 8Ω

Frequency Response

20Hz - 20kHz (-0.5dB at 1/8 Output Power)

SNR

≥101dB (A-Weighted)

Damping Factor

500

Input Sensitivity/Impedance

1.2V / 22kΩ

THD

≤0.05%

Input Voltage

 ~190V-240V 50/60Hz

Output Circuit Type

Class D

Protection Features

Overload Protection, Overvoltage Protection, Undervoltage Protection, Overheat Protection, Short Circuit Protection, DC Protection, etc.

DSP Decoder Chip

96kHz Sampling Rate


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