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