Opus DCL20-K Hearing Loop Amplifier Kit

The Opus DCL20-K 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 core components needed to set up a reliable hearing loop system while keeping the installation clean, compact, and practical.

Centered around the DCL20 amplifier, the kit also includes a microphone, loop, power supply, stickers, screwdriver, and Phoenix connector for convenient deployment. With microphone and line inputs, onboard audio processing, status indication, and protection features, the DCL20-K is well suited for reception areas, service counters, and other workspaces that need a dependable assisted listening solution.

Key Features of the Opus DCL20-K

• Complete Hearing Loop Kit: Includes the DCL20 amplifier, OP-M microphone, OP-iL loop, power supply, stickers, screwdriver, and Phoenix connector for a ready-to-install system.
• Discreet Counter Installation: Designed for under-desk or under-counter mounting to support a clean, low-profile setup.
• Dual Audio Inputs: Provides one microphone input and one line input for flexible audio source connection.
• Integrated Audio Processing: Includes adjustable compression, fast attack timing, and automatic lowering behavior for controlled signal management.
• Status and Power Monitoring: Built with LED indication for power block presence and loop power status.
• Protection Features: Includes thermal, short circuit, and start protection for dependable operation.
• Compact Amplifier Design: Small form factor supports installation in tight workspaces without sacrificing functionality.
• Accessibility-Focused Application: Designed for hearing loop use in service points and communication areas where clear listening support is important.

Technical Specifications

• Brand: Opus
• Model: DCL20-K
• Product Type: Hearing loop amplifier kit
• Kit Components: DCL20 amplifier, OP-M 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-M microphone
• OP-iL loop
• Power supply
• Stickers
• Screwdriver
• Phoenix connector