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Home Commercial AudioCommercial SpeakerPhased Array Column Speaker Digital Phased Array Speaker Digital Phased Array Loudspeaker DSP1501

4 Inch / 70 (±10) (-10dB) V

Digital Phased Array Speaker Digital Phased Array Loudspeaker

DSP1501
  • Three-directional beam steering capability.
  • Active column loudspeaker with integrated digital power amplifier.
  • Supports 3 standard line-level audio inputs and 170V constant-voltage amplifier input (70V ±10V).
  • Onboard volume control and balanced signal processing adjustment.
  • Wired and wireless beam directivity modulation control through a web-based controller.
Overview Specifications Brochure Related Products Solutions Latest News & Cases

The DSP1501 Line Array Column Loudspeaker with Constant Beamwidth Technology utilizes advanced electronic and digital signal processing (DSP) technology to precisely control the main beam radiation direction. Unlike conventional fixed-directivity column speakers, the DSP1501 enables flexible adjustment of the loudspeaker's vertical directivity and radiation angle through an intuitive web-based control interface. Its built-in digital equalizer significantly enhances audio clarity and overall sound quality. Characterized by superior sound reproduction, reliable high performance, and user-friendly operation and installation, this DSPPA church sound system ideally suited for a wide range of professional sound reinforcement applications.


Specifications of Line Array Column Loudspeaker DSP1501


Model

DSP1501

Line Input Sensitivity (Optional)

300 (-10dB) / 500 (-06dB) / 1000 (00dB) mV

Constant Voltage Input Sensitivity

70 (±10) (-10dB) V

Max. SPL (1m)

105±2dB

Number of Speaker Units

10PCS

Speaker Unit Size

4Inch

Amplifier Rated Output Power

(Per Channel)

≥10 W

Amplifier Output Noise

(Per Channel)

＜1 mV

Distortion

(Within the frequency range, under normal operating conditions)

＜0.5 %

Graphic Equalizer Frequency Points

125/200/315/500/800/1.25k/1.6k/2k/2.5k/3.15k/4k/5k/6.3k/8k/10K (15 bands in total) Hz

Equalizer Adjustment Amplitude

±10 dB

Frequency Response:

80-18k (±3dB) Hz

Horizontal Radiation Angle

＞120 Degree

Vertical Radiation Angle

＜50 Degree

The Main Beam Adjustable Range

(Vertical)

±45 Degree

Grid Adaptation Capacity

AC100-270V /50-60Hz

Package dimensions: (L × W ×H)

1505×265×280 mm

Dimensions (L × W ×H)

1365×132.5×145.5 mm

Gross weight

20 kg

Net Weight

16.5 kg



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Choose Your Audio Applications

Latest News & Case Studies

Get ready to provide the latest news about DSPPA and the related information about the audio and video industry for you.

NEWS

DSPPA | DSP6020 Series Outdoor Speakers Win Red Dot Award: Product Design 2026

Abstract: Officially certified and recognized for award-winning design and real-world performance.

August 25, 2026
NEWS

AUXDIO | New Website Now Live – Redefining Immersive Entertainment Audio

Abstract: AUXDIO, the entertainment audio brand under DSPPA Group, has officially launched its new website, providing customers and partners worldwide with an enhanced digital platform to explore its products, solutions, and brand updates.

August 19, 2026
CASE

DSPPA | Digital Audio Matrix for Parking Lot, Sea Breeze Resort, Azerbaijan

DSPPA expertly completed the implementation of a cutting-edge audio matrix system for the parking area of Azerbaijan's renowned Sea Breeze Resort, ensuring high-quality sound performance tailored to the venue's needs.

Azerbaijan
CASE

DSPPA | Professional Sound System for Vision for Africa High School, Uganda

DSPPA Professional Sound System has been successfully installed in the auditorium of Vision for Africa High School in Uganda, greatly enhancing audio quality for school events and offering a great auditory experience to its students and staff.

Uganda

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