SP319
40W 100V Bidirectional Sound Projector (Aluminium Enclosure)
SP319 is a 40W bidirectional sound projector with an aluminium enclosure, designed for clear sound projection for corridors, alleys, and walkways.
Dual-directional balanced sound coverage
Transformer of 20W or 40W 100V rating
Lightweight rust-resistant aluminium enclosure with metal grille
Dual power taps with 5" PP cone driver
Introduction
SP319 is a 20W/40W 100V line bidirectional sound projector designed for clear, two way-directional sound projection with dual power taps with 5" PP cone drivers and a durable, lightweight rust-resistant aluminium enclosure. Its bidirectional design reduces the number of speakers required, making installation more efficient while lowering cabling costs. Ideal for spaces needing balanced sound coverage with robust build for long-lasting performance, such as narrow corridors, alleys, and walkways.
Packing information
Carton size: 370 (L) x 370 (W) x 600 (H) mm
Gross weight: 24.30 kg
Net weight: 23.60 kg
8 unit(s) per carton
Introduction
SP319 is a 20W/40W 100V line bidirectional sound projector designed for clear, two way-directional sound projection with dual power taps with 5" PP cone drivers and a durable, lightweight rust-resistant aluminium enclosure. Its bidirectional design reduces the number of speakers required, making installation more efficient while lowering cabling costs. Ideal for spaces needing balanced sound coverage with robust build for long-lasting performance, such as narrow corridors, alleys, and walkways.
Packing information
Carton size: 370 (L) x 370 (W) x 600 (H) mm
Gross weight: 24.30 kg
Net weight: 23.60 kg
8 unit(s) per carton
SP319
Speaker
Power rating
40W 100V line
Speaker components
2 x 5" PP driver
Power taps (100V line)
20W / 40W
Primary impedance (Ohm)
500 / 250 Ohm
Secondary impedance (Ohm)
4 Ohm
Frequency response @1 kHz ± 3 dB
150 - 18 kHz
SPL @1W/m (1 kHz ± 3 dB)
91 dB
Physical Specifications
Grille / enclosure material
Metal grille / Aluminium enclosure
Dimensions with bracket (dia x height)
138 x 195 mm
Net weight
3.0 kg
Colour
White
Note: The specification parameters may be changed, added, or omitted without prior notice. Last updated on 24 Mar 2026.
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Supports 20W or 40W 100V line, with dual power taps with 5" PP cone driver for flexible installation
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Delivers bidrectional sound projection for balanced sound coverage
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Lightweight rust-resistant aluminium body with metal grille for durability
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Ideal for clear sound installations in corridors, alleys and walkways
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Cross references
Sales Office (Malaysia)
70, Jalan Industri PBP 3,
Taman Perindustrian Pusat Bandar Puchong,
47100 Puchong, Selangor, Malaysia.
Tel: +603-5882 7757 / 7758
Production Factory (Malaysia)
2, Jalan Meranti Puchong D25@Meranti Puchong
47120 Puchong, Selangor, Malaysia
Export Sales Office (Singapore)
Amperes Asia Pte Ltd
(Co Reg: 201102253E)
1, North Bridge Road, #13-03, High Street Centre, Singapore 179094
Sales Office (Malaysia)
70, Jalan Industri PBP 3,
Taman Industri Pusat Bandar Puchong
47100 Puchong, Selangor, Malaysia.
Tel: +603-5882 7757 / 7758
Production Factory (Malaysia)
2, Jalan Meranti Puchong D25@Meranti Puchong 47120 Puchong, Selangor, Malaysia
Export Sales Office (Singapore)
Amperes Asia Pte Ltd
(Co Reg: 201102253E)
1, North Bridge Road, #13-03, High Street Centre, Singapore 179094










