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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.
This compact amplifier is equipped with switching power supply circuit inside, Energy Star 2.0 certified and PLENUM rated (UL 2043 listed) for the installation into air handling space without external AC adapter. The rated output power is 15W at 8 Ω x 2 channels, 20W at 4 Ω x 2 channels or 40W at 8 Ω in BTL connection.
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
15 W x 2 channels @ 8 Ω, 20 W x 2 @ 4 Ω or 40 W @ 8 Ω (Bridge)
Rated Output: 63 W
Idle: Less than 6 W
Power Save Mode: Less than 1 W
20 Hz to 20 kHz ± 3dB (Line1 Input with Transformer:100 Hz to 20 kHz)
Total Harmonic Distortion (THD)
+N: Less than 0.15%
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
Speaker output, removable terminal block (4P)
Bass: ±10 dB at 100 Hz, Treble: ±10 dB at 10 kHz
Master volume control
Remote volume control
Bass tone control, Treble tone control
Bridge ON/OFF Switch
Input sensitivity switches (Line 1, Line 2, Line 3)