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Class D Micro Plenum-rated (UL2043) power amp

The black AV-20D Micro Amplifier from TOA Electronics is a 2 channel digital amplifier for speech and general announcement. It introduces a new standard in small amperes for plenum use. With ultra-compact size, a flexible compliment of inputs and power configuration, control features and carrying both PLENUM rated (UL 2043 listed) and Energy Star 2.0 certification, it is a suitable choice for corporate meeting rooms, POS/signage, board room, conference room, AV presentation room, and kiosks or any place where space and placement limitations are a factor.

AV-20D features include:

  • Micro Class D amplifier for use in meeting/board rooms, and signage applications
  • UL 2043-rated for plenum installation and rated construction for in-the-ceiling installation using attached EMT adapter plate
  • Energy Star certified including auto off/standby
  • 20W x 2 @ 4 Ω / 40W @ 8 Ω in bridge mode
  • Small size (approximately 6.00 x 6.00 x 1.75" (15.24 x 15.24 x 4.44mm) allows convenient and flexible placement
  • L/R Line inputs via removable transformer-balanced terminal block, 1/8" TRS mini-jack and RCA connections
  • Bass and treble controls
  • Input signal present (-20dB) and peak LED indicators
  • Clip limiter prevents distortion due to overload
  • Remote volume control port for use with 10kΩ pot
  • 3 kinds of input connector (RTB, 3.5mm plug and RCA stereo) with individual input level selector switch
  • Compliant with Energy Star 2.0 to save the power automatically moving into minimum power consumption
  • High efficiency and low heat class-D amplifier technology achieves fan-less, no ventilation, convection cooling
  • Supplied VCA for remote volume control
  • Front operable bass and treble controls in recessed design to prevent accidental operation
  • Removable input/output terminal blocks facilitate installation and maintenance
  • Built-in ALC (Auto-Level Compressor) circuit to protect the connected speakers and internal components from the over loaded input
  • Working in 100 to 240VAC, 50/60Hz
  • Automatic level control, thermal/over-current protection
  • Case is black metal finish
Power Source 100 to 240 VAC , 50/60 Hz
Rated Output Current 15 W x 2 channels @ 8 Ω, 20 W x 2 @ 4 Ω or 40 W @ 8 Ω (Bridge)
Power Consumption Rated Output: 63 W
Idle: Less than 6 W
Power Save Mode: Less than 1 W
Frequency Response 20 Hz to 20 kHz ± 3dB (Line1 Input with Transformer:100 Hz to 20 kHz)
Total Harmonic Distortion (THD) +N: Less than 0.15%
Input Line 1: -10/-20 dB (selectable), 10 kΩ, transformer-balanced, removable terminal block
Line 2: -10/-20 dB (selectable), 10 K Ω, unbalanced, 3.5 mm stereo jack
Line 3: -10/-20 dB (selectable), 10 kΩ, unbalanced, RCA jacks
Output Speaker output, removable terminal block (4P)
Tone Control Bass: ±10 dB at 100 Hz, Treble: ±10 dB at 10 kHz
Control Master volume control
Remote volume control
Bass tone control, Treble tone control
Bridge ON/OFF Switch
Mono/Stereo switch
Input sensitivity switches (Line 1, Line 2, Line 3)
Indicators Power LED, protection LED, signal LED, peak LED
Operating Temperature 50 to 104°F (-10 to +40°C)
Dimensions (W x H x D) 5.90 x 1.73 x 6.14 (150.00 x 44.00 x 156.00 mm)
Weight 2.2 lb (1.0 kg)

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Prices and specifications subject to change without notice.