LD2.2

SKU: ld2.2 Categories: Amplifiers, Induction Loop Amplifiers

Description :

The LD2.2 is a high-efficiency Class D amplifier designed to cover a 1 200 m² room in a single loop and 525 m² in multi loop. It includes three units: two switchable inputs (combo and terminal block) that support line or microphone mode, and a priority 100 V input. The device delivers an output current of 2x 7 A RMS and features a compressor and an AGC to ensure optimal audio quality.

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Full and customizable configuration: broadcast name, transmission power, audio input selection, mono/stereo modes, and more.
Two user profiles adapted to your needs:
- Owner: view and control all installations, and invite an installer if required.
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Centralized management of multiple venues and rooms: create zones, assign devices, and track interventions.
Real-time updates and status monitoring: stay informed and keep your devices up to date.

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Technical specifications
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Technical specifications

Max coverage : single loop	1 200 m²* (20 x 60 m²)
Max coverage : multi loop	525 m²* (15 x 35 m)
INPUT
Audio inputs	2x LINE/Microphone + 1x 100 V
Connector type	Pheonix and/or Combo Neutrik
Phantom supply	12 V, 2 mA
Sensitivity	-50 dB microphone
Priority	100 V input, INPUT 1
Salve input	Jack 6,35 mm
POWER SUPPLY
Type	Integrated
Voltage	115-230 V, 50/60 Hz
Power consumption at 1 Ohm	100 W
Max input power	< 600 V AC
Consuption at rest	14 W at 230 V AC
AUDIO CHARACTERISTICS
THD	< 0,5 %, 1 Ohm, 1 kHz
Automatic Gain Control	> 36 dB
Brandwidth	80 Hz to 9,5 kHz
Phase shift	Included
OUTPUT
Loop impedance	0,5 to 3,0 Ω
Output voltage	34 V RMS (48 pk)
Peak current	2x 11 A
RMS current (at 1 kHz)	2x 7 A RMS
ADDITIONNAL FUNCTIONS
LED display	Power, Protect 1, Portect 2 and Loop
Verification	Open loop and thermal protection
Relay	NO/NC fault relay, 0,5 A / 125 V AC, 1 A / 24 V DC
PRODUCT SPECIFICATIONS
Dimensions	42 x 200x 215 mm
Net weight	1,56 kg
Operation temperature	0 to 45 °C
Storage temperature	-30 to 70 °C
*Coverage given as an indication subject to room installation constraints (metal, listening height, geometry etc...). A SmartLoop study is strongly recommended.