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TOA A-3648D: Digital Mixer Amplifier
Model A-3648D
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- TOA class D amplifiers for maximum efficiency
- Feedback Suppressor (Dynamic feedback filters)
- Speaker EQ (3 points equalizer)
- Assignable input priorities
Product Overview
Overview
The TOA A-3648D is a digital mixer amplifier. A-3600D Series Digital Mixer Amplifier provides maximum flexibility with up to seven inputs and up to 480 W of power. Browser based control and monitoring from anywhere reduces your time troubleshooting and adjusting systems.
Corporate AV supplies, installs and supports TOA audio systems across India. Request a quote for the TOA A-3648D with supply, installation and commissioning.
Key features
- TOA class D amplifiers for maximum efficiency
- Feedback Suppressor (Dynamic feedback filters)
- Speaker EQ (3 points equalizer)
- Assignable input priorities
- Built-in pre-announce chime
- Two speaker zones
- Web browser interface
- IP protocol available for further integrations and developments
Typical applications
- Paging and background music in offices, shops and factories
- Schools, houses of worship and public buildings
- Constant-voltage (100 V) speaker distribution
Why choose the A-3648D
it is a digital mixer amplifier from TOA, supplied with Corporate AV's site survey, installation and support across India, so the A-3648D is specified for your project and not just shipped.
Product Highlights
Key Benefits
TOA class D amplifiers for maximum efficiency
Feedback Suppressor (Dynamic feedback filters)
Speaker EQ (3 points equalizer)
Assignable input priorities
Built-in pre-announce chime
Use Cases
Ideal Applications
Paging and background music in offices, shops and factories
Schools, houses of worship and public buildings
Constant-voltage (100 V) speaker distribution
Technical Details
Technical Specifications
Specifications
Power Source
100 - 240 V AC, 50/60 Hz
Rated Output
480 W
Power Consumption
601 W (rated output), 113 W (based on EN62368)
Current Consumption
200 mA or less (when power switch is OFF)
Frequency Response
50 Hz - 20 kHz ±3 dB (1/8 rated output)
Distortion
1 % or less at 1 kHz, rated power (20 kHz LPF (AUX-0025)
Tone Control
Bass: ±10 dB at 100 Hz Treble: ±10 dB at 10 kHz
Signal to Noise Ratio
88 dB or more (Master volume: min) 76 dB or more (Master volume: max) 55 dB or more (INPUT 1 - 6) 72 dB or more (INPUT 7) (A-weighted)
Audio Input
INPUT 1, 2: -60 dB (*1) (MIC)/-20 dB (*1) (LINE) selectable, 600 Ω, electronically-balanced, removable terminal block (3 pins) Note: MIC inputs are equipped with phantom power (24 V DC, ON/OFF switchable). INPUT 3, 4: -60 dB (*1), 600 Ω, electronically-balanced, removable terminal block (3 pins) Note: Equipped with phantom power (24 V DC, ON/OFF switchable). INPUT 5, 6: MIC (BUS 1)/LINE (BUS 2) selectable MIC: -60 dB (*1), 600 Ω, electronically-balanced, removable terminal block (3 pins) LINE: -20 dB (*1), 10 kΩ, unbalanced, RCA pin jack x 2 INPUT 7: -20 dB (*1), 10 kΩ, unbalanced, RCA pin jack x 2 PWR AMP IN: 0 dB (*1), 600 Ω, unbalanced, RCA pin jack
Input Bus
INPUT 1 - 4: BUS 1 INPUT 5, 6: BUS 1/BUS 2 selectable INPUT 7: BUS 2
Audio Output
SPEAKER OUT: Low impedance (4 - 16 Ω)/ High impedance (DIRECT, ZONE 1/ZONE 2: 100 V/total 21 Ω), removable terminal block (6 pins) (ZONE 1/ZONE 2 is selectable, Max. 480 W per output) REC OUT: 0 dB (*1), 600 Ω, unbalanced, RCA pin jack LINE OUT 1, 2: 0 dB (*1), 600 Ω, unbalanced, RCA pin jack, (Interlock with zone selection is possible)
Control Output
POWER REMOTE OUT: Open collector output, withstand voltage: 30 V DC or less, control current: 25 mA or less, removable terminal block (4 pins) EMERGENCY OUT: Open collector output, withstand voltage: 30 V DC or less, control current: 25 mA or less, removable terminal block (4 pins) ZONE CONTROL OUT: Open collector output, withstand voltage: 30 V DC or less, control current: 25 mA or less, removable terminal block (4 pins)
Chime
1-note, 2-note, or ascending 4-note chime, or None selectable with switch setting
Indicator
5-point LED output level meter, Power indicator LED, LAN Connect indicator LED, Priority indicator LED, Emergency indicator LED, Thermal protection indicator LED, Over current protection indicator LED, CPU RUN indicator LED, Error indicator LED, Zone 1 indicator LED, Zone 2 indicator LED
Operating Temperature
-10 °C to +40 °C (14 °F to 104 °F)
Operating Humidity
85 %RH or less (no condensation)
Included Accessories
Power cord (2 m (6.56 ft) x 1, Audio input removable terminal plug (3.81 mm, 3 pins) x 6, Control I/O removable terminal plug (3.81 mm, 4 pins) x 4, Remote control removable terminal plug (3.5 mm, 4 pins) x 2, Speaker out removable terminal plug (5 mm, 6 pins) x 1, Volume control cover x 4
Optional Accessories
Rack mounting bracket: MB-25B Perforated panel: PF-013B
Dimensions & finish
Finish
Panel: ABS resin, black Case: Surface-treated steel plate, black, paint
Dimensions
420 (W) x 96.1 (H) x 313.1 (D) mm (16.54" x 3.78" x 12.33")
Weight
5.2 kg (11.46 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 A-3648D 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 A-3648D?
The TOA A-3648D is a digital mixer amplifier. A-3600D Series Digital Mixer Amplifier provides maximum flexibility with up to seven inputs and up to 480 W of power. Browser based control and monitoring from anywhere reduces your time troubleshooting and adjusting systems.
What are the main specifications of the TOA A-3648D?
TOA lists these figures for the A-3648D: Rated Output: 480 W; Power Source: 100 - 240 V AC, 50/60 Hz; Frequency Response: 50 Hz - 20 kHz ±3 dB (1/8 rated output); Distortion: 1 % or less at 1 kHz, rated power (20 kHz LPF (AUX-0025). The full specification table is on this page.
What are the key features of the TOA A-3648D?
TOA highlights: TOA class D amplifiers for maximum efficiency; feedback Suppressor (Dynamic feedback filters); speaker EQ (3 points equalizer); assignable input priorities.
Where is the TOA A-3648D used?
It suits: paging and background music in offices, shops and factories; schools, houses of worship and public buildings; constant-voltage (100 V) speaker distribution. Corporate AV can advise whether it fits your project.
Which TOA series is the A-3648D part of?
TOA lists the A-3648D in its A-3600D Series Digital Mixer Amplifier range.
Can Corporate AV supply and install the TOA A-3648D 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 A-3648D?
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.
