Opus DCL20-K1 Hearing Loop Amplifier Kit

Description

Opus DCL20-K1 Hearing Loop Amplifier Kit The Opus DCL20-K1 is a complete hearing loop amplifier kit designed for discreet installation under desks and counters in customer-facing environments. Built for accessibility-focused communication points, this all-in-one kit provides the essential components needed to deploy a reliable hearing loop system in a compact, professional format.
Centered around the DCL20 amplifier, the DCL20-K1 includes the OP-M81 microphone, OP-iL loop, power supply, stickers, screwdriver, and Phoenix connector for convenient installation. With microphone and line inputs, onboard audio processing, and integrated protection features, this kit is well suited for reception areas, service counters, and other workstations where clear assisted listening support is important.
Key Features of the Opus DCL20-K1
Complete Hearing Loop Kit: Includes the DCL20 amplifier, OP-M81 microphone, OP-iL loop, power supply, stickers, screwdriver, and Phoenix connector for a ready-to-install system.

Discreet Installation Design: Intended for under-desk or under-counter mounting to maintain a clean and unobtrusive setup.

Dual Audio Inputs: Provides one microphone input and one line input for flexible source integration.

Integrated Audio Processing: Features adjustable compression, fast attack timing, and automatic lowering behavior for controlled signal performance.

Status Monitoring: Includes LED indication for power block presence and loop power status.

Protection Features: Includes thermal, short circuit, and start protection for dependable operation.

Compact Amplifier Footprint: Small size supports installation in space-limited customer service environments.

Accessibility-Focused Use: Designed for hearing loop applications where clear communication and hearing support are needed.
Technical

Specifications
Brand: Opus

Model: DCL20-K1

Product Type: Hearing loop amplifier kit

Kit Components: DCL20 amplifier, OP-M81 microphone, OP-iL loop, power supply, stickers, screwdriver, and Phoenix connector

Audio Input: 1 x microphone + 1 x line input

Connector Type: 1 x 3.5 mm micro jack + Phoenix

Phantom Supply: 4.5 V, 1 mA

Power Supply Characteristics: 12 V DC / 1.5 A

Power Supply Type: Separated power block

Input Voltage: 230 V, 50-60 Hz

Power Consumption: Less than 20 W

Fuse: Thermal

Compression: From 1:1 to 20:1

Attack Time: 10 mS

Lowering: Auto 500 mS or 1,500 mS

Bandwidth: 80 Hz to 8 kHz at -3 dB

Dynamic: Greater than 0 dB

THD: THD+N less than 0.5% at 1 kHz

Output Type: Current

Loop Impedance: From 0.5 to 1.0 Ohm

Peak Current: 4 A

RMS Current: 2 A at 1 kHz

Protection: Thermal, short circuit and start

Dimensions: 3.94 x 1.97 x 0.79 inches

Net Weight: 83 g

Packaging: Cardboard
What's Included DCL20 amplifier
OP-M81 microphone
OP-iL loop
Power supply
Stickers
Screwdriver
Phoenix connector