Details

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TOA A3248DM Digital Mixer Amplifier with MP3 & Bluetooth – 480W

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)