amperes electronics
Professional Public Address (PA) System Manufacturer
FS338
2x4" 40W 100V Full Range Music Speaker
FS338 is a 40W dual 4" speaker with a curved design for improved vertical coverage, ideal for BGM and speech in venues like hypermarkets and indoor stadiums.
Wide vertical coverage at both near and far distances, optional 360° coverage setup
40W 100V rating
Curved design enclosure
Rotary power selector from 5W to 40W, and multi-tap transformer with 4Ω option
Introduction
FS338 is a multi-purpose speaker designed for both background music and speech applications. Featuring dual 4” drivers in a curved enclosure, it provides enhanced vertical coverage for clear audio at both near and far distances. With a 40W 100V line rating and a rotary power selector (5W to 40W), it also supports a 4Ω connection for compatibility with conventional amplifiers. Typically installed in a vertical format, FS338 can be configured into a circular array using a special bracket for 360° coverage, making it ideal for large venues such as hypermarkets and indoor stadiums.
Packing information
Carton size: 555 (L) x 295 (W) x 165 (H) mm
Gross weight: 7.50 kg
Net weight: 6.50 kg
2 unit(s) per carton
FS338
Speaker
Power rating
40W 100V line
Diameter
2 x 4" (100 mm)
Driver / Speaker type
2-Way PP speaker with 1" tweeter
Driver impedance (Ohm)
8 Ohm
Frequency response @1 kHz ± 6 dB
70 - 16 kHz
SPL @1W/m (1 kHz ± 3 dB)
87 dB
Power taps (100V line)
5W / 10W / 20W / 40W
Primary Impedance (Ohm)
2k / 1k / 500 / 250 Ohm
Secondary impedance (Ohm)
4 Ohm
Physical Specifications
Grille / Enclosure
Metal grille / ABS enclosure
Dimensions with bracket (W x H x D)
135 x 385 x 260 mm
Net weight
3.50 kg
Colour
Black
Note: The specification parameters may be changed, added, or omitted without prior notice. Last updated on 24 Mar 2026.
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Dual 4" drivers with HF tweeter, supporting 40W 100V line and 4Ω connection for balanced sound reproduction
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Optimized vertical installation for even sound distribution and clear audio output
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Curved enclosure coverage for both near and far listening areas
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Multi-tap transformer with a 4Ω option, allowing compatibility with 4Ω/8Ω output power amplifiers for flexible installation
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Delivers speech clarity for announcements and background music
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Optional 360° coverage setup with a specialized mounting bracket
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Ideal for clear sound large installations in hypermarkets and indoor stadiums
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Introduction
FS338 is a multi-purpose speaker designed for both background music and speech applications. Featuring dual 4” drivers in a curved enclosure, it provides enhanced vertical coverage for clear audio at both near and far distances. With a 40W 100V line rating and a rotary power selector (5W to 40W), it also supports a 4Ω connection for compatibility with conventional amplifiers. Typically installed in a vertical format, FS338 can be configured into a circular array using a special bracket for 360° coverage, making it ideal for large venues such as hypermarkets and indoor stadiums.
Packing information
Carton size: 555 (L) x 295 (W) x 165 (H) mm
Gross weight: 7.50 kg
Net weight: 6.50 kg
2 unit(s) per carton
Cross references
Registered association members of
International recognitions
© 1999 - 2026 Amperes Electronics Sdn Bhd. All Rights Reserved.
Payment
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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
Amperes Electronics Sdn Bhd
Registration No: 200001006420 (509025-X)
Your Trusted PA System Manufacturer since 1999
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