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TOA DA-250DH: Digital Power Amplifier
Model DA-250DH
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- 70 V speaker outputs
- 2x 250 W rated power
- Class D design 85 % efficient
- Independent power supply for each channel
Product Overview
Overview
The TOA DA-250DH is a 2-Channel Digital Power Amplifier designed for 70 V line high-impedance distribution and features lightweight, compact, high power output, and high efficiency. It delivers 250 W x 2 channels (40 Ω output) using a switching power supply.
Corporate AV supplies, installs and supports TOA audio systems across India. Request a quote for the TOA DA-250DH with supply, installation and commissioning.
Key features
- 70 V speaker outputs
- 2x 250 W rated power
- Class D design 85 % efficient
- Independent power supply for each channel
- Light weight and compact
- Stack up to 5 units without open spaces between units
- Selectable stereo or bridge operation (DA-250D)
- Forced-air cooling system
Typical applications
- Multi-zone public address and background music
- Auditoriums, halls and public venues
- Constant-voltage and low-impedance speaker lines
Why choose the DA-250DH
it is a digital power amplifier from TOA, supplied with Corporate AV's site survey, installation and support across India, so the DA-250DH is specified for your project and not just shipped.
Product Highlights
Key Benefits
70 V speaker outputs
2x 250 W rated power
Class D design 85 % efficient
Independent power supply for each channel
Light weight and compact
Use Cases
Ideal Applications
Multi-zone public address and background music
Auditoriums, halls and public venues
Constant-voltage and low-impedance speaker lines
Technical Details
Technical Specifications
Specifications
Power Source
220 - 240 V AC, 50/60 Hz
Amplification System
Class D
Power Consumption
150 W (based on EN standards) 580 W (rated output 100 V line, 40 Ω x 2)
Input
2 circuits, +4 dB* (1.23 V) (input level control in maximum position), 10 kΩ, electronically-balanced, removable terminal block (3 pins), XLR-3-31 type connector CH 1 mode ON/OFF switch (ON: PARALLEL, OFF: STEREO)
Rated Output
2 channels: 250 W x 2 (100 V line, 40 Ω) M4 screw terminal, distance between barriers: 8.8 mm (0.35)
Frequency Response
50 Hz - 20 kHz (-3 dB, +1 dB)
Total Harmonic Distortion
0.1 % (1 kHz) 0.3 % (100 Hz - 20 kHz)
Signal to Noise Ratio
100 dB (A-weighted)
Crosstalk
70 dB (A-weighted)
Protection Circuit
Protection against excessive current flow due to overload, short circuit, unusual DC voltage output, temperature rise at power amp. heat sink (100 ℃ (212 ℉) or more), temperature rise inside the unit (80 ℃ (176 ℉) or more)
LED Indicator
Power (blue) x 1, Input (green) x 2, Output (yellow) x 2, Peak (red) x 2, Protect (red) x 2
Cooling
Forced air cooling
Operating Temperature
-10 °C to +40 °C (14 °F to 104 °F)
Operating Humidity
90 %RH or less (no condensation)
Included Accessories
Power cord (2 m (6.56 ft) x 1, Removable terminal plug (3 pins) x 2, Tamper-proof cap x 2, Rack mounting screw (with plain washer) x 4
Optional Accessories
Matching transformer: MT-251H
Dimensions & finish
Finish
Panel: Aluminum, black, alumite Case: Plated steel sheet
Dimensions
482 (W) x 44 (H) x 401.8 (D) mm (18.98 x 1.73" x 15.82")
Weight
5.3 kg (11.68 lb)
Why CorporateAV?
Sourced right. Installed right.
Genuine Manufacturer Stock
Every unit sourced through authorized distribution, backed by manufacturer warranty.
Expert AV Integration
Paired correctly with compatible systems and your room's existing AV infrastructure.
Pan-India Delivery & Support
On-site installation and ongoing technical support wherever your project is based.
More Details
Additional Information
Why Buy The DA-250DH From Corporate AV?
- Genuine TOA stock with manufacturer warranty support
- Custom pricing for bulk and multi-room / multi-site rollouts
- Local after-sales support — a real team you can call or WhatsApp, not a call centre
- Expert guidance on product selection and deployment planning
- Professional installation across Bangalore, Hyderabad, Mumbai, Delhi NCR, and the wider India region
Distribution
Corporate AV supplies and installs TOA products across Bangalore, Hyderabad, Mumbai, Delhi NCR, Chennai, Pune, Kolkata, Ahmedabad, and the wider India region.
Frequently Asked Questions
What is the TOA DA-250DH?
The TOA DA-250DH is a 2-Channel Digital Power Amplifier designed for 70 V line high-impedance distribution and features lightweight, compact, high power output, and high efficiency. It delivers 250 W x 2 channels (40 Ω output) using a switching power supply.
What are the main specifications of the TOA DA-250DH?
TOA lists these figures for the DA-250DH: Rated Output: 2 channels: 250 W x 2 (100 V line, 40 Ω) M4 screw terminal, distance between barriers: 8.8 mm (0.35); Power Source: 220 - 240 V AC, 50/60 Hz; Frequency Response: 50 Hz - 20 kHz (-3 dB, +1 dB); Total Harmonic Distortion: 0.1 % (1 kHz) 0.3 % (100 Hz - 20 kHz). The full specification table is on this page.
What are the key features of the TOA DA-250DH?
TOA highlights: 70 V speaker outputs; 2x 250 W rated power; class D design 85 % efficient; independent power supply for each channel.
Where is the TOA DA-250DH used?
It suits: multi-zone public address and background music; auditoriums, halls and public venues; constant-voltage and low-impedance speaker lines. Corporate AV can advise whether it fits your project.
Which TOA series is the DA-250DH part of?
TOA lists the DA-250DH in its Multi-Channel Power Amplifier range.
Can Corporate AV supply and install the TOA DA-250DH in India?
Yes. Corporate AV supplies, installs and supports TOA audio systems across India, with a site survey, commissioning and after-sales support.
How do I get a quote for the TOA DA-250DH?
Use the Request a Quote button on this page or contact Corporate AV with your project details and quantity, and a consultant will respond with a quotation for supply and installation.
