The TOA A3248DM is a high-performance digital mixer amplifier delivering 480W output power, designed for broadcasting, paging, and background music in schools, offices, shops, houses of worship, and large ballrooms. Equipped with MP3, Bluetooth, USB/SD, and FM Radio, it combines versatile connectivity with reliable power for professional audio distribution.
Key Features
Powerful 480W digital mixer amplifier
MP3 player with USB, SD/MMC card support (up to 32GB)
Built-in Bluetooth & FM Radio with recording function
4 x MIC inputs (MIC 1 with phantom power and mute priority)
2 x AUX inputs with independent volume control
Bass & Treble tone control for optimized sound
Fan cooling system for stable operation
Compact, durable design with steel chassis
Ideal for paging, announcements, and background music systems
Specifications
Power Source: 100–240 V AC, 50/60 Hz
Rated Output: 480 W
Power Consumption: 99 W (AC operation at 1/8 max output)
Frequency Response: 50 Hz – 20 kHz
Inputs:
• MIC 1: 1 mV, 600 Ω, balanced (Phone jack / RJ45)
• MIC 2–3: 1 mV, 600 Ω, balanced (Phone jack)
• MIC 4 / AUX 1: switchable, 1 mV / 100 mV
• AUX 2: 100 mV, 10 kΩ, RCA pin jack
• MP3: USB, SD/MMC, Bluetooth, FM Radio, Record
Outputs:
• Speaker: 21 Ω (100V) or 4 Ω selectable
• Rec Out: 0 dB, 600 Ω, RCA pin jack
Phantom Power: DC +21 V (MIC 1)
S/N Ratio: >60 dB
THD: <1% at 1 kHz, 1/3 rated power
Tone Control: Bass ±10 dB (100 Hz), Treble ±10 dB (10 kHz)
Muting: MIC 1 overrides other inputs (0–30 dB attenuation)
Indicators: Power, Signal, Peak, Protect
Ventilation: Fan cooling
Finish: ABS resin panel, steel plate case (black)
Dimensions: 420 × 100.9 × 357 mm
Weight: 5.0 kg
Accessories: FM radio antenna (1m)
