amperes electronics
DP2240 / DP2500
Class D Compact Multi Channel Amplifier
DP2240 and DP2500 are compact 2-channel Class D amplifiers for 100V PA systems, offering high power efficiency, wide frequency response, and built-in protection in a space-saving 1U design.
Multi channel class D power amplifiers
Various protection features to ensure long lasting operation
Compact 1U design saves rack space
AC input and 24V DC backup
Introduction
DP2240 (2 × 240W) and DP2500 (2 × 500W) are compact, high-efficiency Class D power amplifiers designed for 100V line public address systems. Housed in a slim 1U transformer-less chassis, they save valuable rack space while delivering strong, reliable performance.
Built for modern audio needs, these amplifiers offer excellent power efficiency and a wide frequency response—ideal for both voice and music reproduction. Each unit includes built-in protections against overload clipping, short circuits, and thermal issues, ensuring long-term reliability in demanding installations.
Packing information
Carton size : 605 (L) x 560 (W) x 125 (H) mm
Gross weight : DP2240: 7.75 kg / DP2500: 8.5 kg
1 unit(s) per carton
Introduction
DP2240 (2 × 240W) and DP2500 (2 × 500W) are compact, high-efficiency Class D power amplifiers designed for 100V line public address systems. Housed in a slim 1U transformer-less chassis, they save valuable rack space while delivering strong, reliable performance.
Built for modern audio needs, these amplifiers offer excellent power efficiency and a wide frequency response—ideal for both voice and music reproduction. Each unit includes built-in protections against overload clipping, short circuits, and thermal issues, ensuring long-term reliability in demanding installations.
Packing information
Carton size : 605 (L) x 560 (W) x 125 (H) mm
Gross weight : DP2240: 7.75 kg / DP2500: 8.5 kg
1 unit(s) per carton
DP2240 / DP2500
DP2240
DP2500
Power requirements
Power rating (rms)
2 x 240W 100V line
2 x 500W 100V line
Operating voltage
220 - 240V AC or 24V DC back up supply
220 - 240V AC or 24V DC back up supply
Power consumption
550 VA (2.3A)
1100 VA (4.6A)
Current consumption
22A
46A
Standby current
0.3 A
0.3 A
Input, output & protections
Input signal (sensitivity)
0.775 V (0 dBU) / 10k Ohm via phoenix connectors
0.775 V (0 dBU) / 10k Ohm via phoenix connectors
Input gain controls
-40 to 4 dBU
-40 to 4 dBU
Outputs
100V line and 4 - 16 Ohm
100V line and 4 - 16 Ohm
4 Ohm output voltage
38V
38V
Output impedance (max load)
40 Ohm / Channel
20 Ohm / Channel
Frequency response
20 - 20 kHz @ 1 kHz +/- 3 dB
20 - 20 kHz @ 1 kHz +/- 3 dB
S/N ratio
>80 dB @ 1 kHz, 1V
>80 dB @ 1 kHz, 1V
THD + N
<1%, 1 kHz
<1%, 1 kHz
Protections
Thermal, short circuit, overload, fuse, in-rush current
Thermal, short circuit, overload, fuse, in-rush current
Cut off temperature
75°C
75°C
Cooling system
Fan forced cooling
Fan forced cooling
Indications
LED : Protect, input audio, output and power
LED : Protect, input audio, output and power
Case
Dimensions (W x H x D)
482 x 44 x 420 mm
482 x 44 x 420 mm
Weight
5.90 kg
6.90 kg
Note: The specification parameters may be changed, added, or omitted without prior notice.
Works with wide AC input and 24V DC backup
Built-in protections: short circuit, overload, thermal, and DC
Individual balanced inputs with separate volume control
Class D switching power for high efficiency
Compact 1U design saves rack space
Bandpass filter reduces unwanted bass and high-pitched sounds
Available in 2×240W, 4×240W, and 2×500W 100V line outputs
Auto sleep mode when no signal detected to save energy
Wide frequency response from 20Hz to 20kHz
Lightweight and transformer-less for easy installation
Registered association members of
International recognitions
© 1999 - 2025 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
Amperes Asia Pte Ltd
Export Sales Office - Singapore
(Co Reg: 201102253E)
1, North Bridge Road, #13-03, High Street Centre, Singapore 179094
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
Amperes Asia Pte Ltd
Export Sales Office - Singapore
(Co Reg: 201102253E)
1, North Bridge Road, #13-03, High Street Centre, Singapore 179094