← TOA Products in India
View full details
TOA A-3548D: Digital Mixer Amplifier
Model A-3548D
Request a Quote
Availability: Out of Stock
- TOA class D amplifiers for maximum efficiency
- 4 selection of power amplifier output (60W, 120W, 240W and 480W)
- 3 mic/line selectable inputs, 1 mic input and 1 auxiliary input
- 2-channel speaker zone selector
Product Overview
Overview
The TOA A-3548D is a digital mixer amplifier. The A-3500D series is a PA amplifier with emergency and priority paging, equipped with 3 MIC/LINE inputs, 1 MIC input, 1 AUX (music source) input, and 2-channel speaker zone selectors. It is ideal for paging announcements and background music applications in supermarkets, schools, offices, and factories.
Corporate AV supplies, installs and supports TOA audio systems across India. Request a quote for the TOA A-3548D with supply, installation and commissioning.
Key features
- TOA class D amplifiers for maximum efficiency
- 4 selection of power amplifier output (60W, 120W, 240W and 480W)
- 3 mic/line selectable inputs, 1 mic input and 1 auxiliary input
- 2-channel speaker zone selector
- Switchable 100V line or low impedance speaker output
- Capable of emergency and pritority broadcasting by using either control signal or audio detection as a trigger
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-3548D
it is a digital mixer amplifier from TOA, supplied with Corporate AV's site survey, installation and support across India, so the A-3548D is specified for your project and not just shipped.
Product Highlights
Key Benefits
TOA class D amplifiers for maximum efficiency
4 selection of power amplifier output (60W, 120W, 240W and 480W)
3 mic/line selectable inputs, 1 mic input and 1 auxiliary input
2-channel speaker zone selector
Switchable 100V line or low impedance speaker output
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/Current Consumption
601 W (rated output), 113 W (based on EN62368), 200 mA or less (when power switch is OFF)
Frequency Response
50 Hz to 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 to 4) 72 dB or more (INPUT 5) (A-weighted)
Audio Input
INPUT 1, 2: –60 dB* (MIC)/–20 dB* (LINE) selectable, 600 Ω, electronically-balanced, removable terminal block (3.81 mm, 5 pins)/ø6.3 mm phone jack (3P) Note: MIC inputs are equipped with phantom power (24 V DC, ON/OFF switchable). INPUT 3: –60 dB*, 600 Ω, electronically-balanced, ø6.3 mm phone jack (3P) INPUT 4: –60 dB* (MIC)/–20 dB* (LINE) selectable, 600 Ω, electronically-balanced,ø6.3 mm phone jack (3P) INPUT 5: –20 dB*, 10 kΩ, unbalanced, RCA pin jack x 2 PWR AMP IN: 0 dB*, 600 Ω, unbalanced, RCA pin jack
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*, 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 (polarized), withstand voltage: 30 V DC or less, control current: 25 mA or less, removable terminal block (4 pins)
Indication
5-point LED output level meter, Power indicator LED, Priority indicator LED, Emergency indicator LED, Thermal protection indicator LED, Over current protection 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 (2m (6.56 ft) x 1, Audio input removable terminal plug (3.81 mm, 5 pins) x 2, Control I/O removable terminal plug (3.81 mm, 4 pins) x 2, Remote control removable terminal plug (3.5 mm, 4 pins) x 1, 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
5.1 kg (11.24 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-3548D 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-3548D?
The TOA A-3548D is a digital mixer amplifier. The A-3500D series is a PA amplifier with emergency and priority paging, equipped with 3 MIC/LINE inputs, 1 MIC input, 1 AUX (music source) input, and 2-channel speaker zone selectors. It is ideal for paging announcements and background music applications in supermarkets, schools, offices, and factories.
What are the main specifications of the TOA A-3548D?
TOA lists these figures for the A-3548D: Rated Output: 480 W; Power Source: 100 - 240 V AC, 50/60 Hz; Frequency Response: 50 Hz to 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-3548D?
TOA highlights: TOA class D amplifiers for maximum efficiency; 4 selection of power amplifier output (60W, 120W, 240W and 480W); 3 mic/line selectable inputs, 1 mic input and 1 auxiliary input; 2-channel speaker zone selector.
Where is the TOA A-3548D 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-3548D part of?
TOA lists the A-3548D in its A-3500D Series Digital Mixer Amplifier range.
Can Corporate AV supply and install the TOA A-3548D 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-3548D?
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.
