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Biamp Desono COLS Series: 2 Inch Column Loudspeakers, 3 Versions

Model Desono COLS Series

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Availability: In Stock
Size
  • Authorized Biamp Reseller
  • Manufacturer Warranty
  • Pan-India Delivery
  • Expert Project Support
  • Lengths of 399, 614 and 721 mm
  • Vertical pattern of 20, 15 and 10 degrees
  • Up to 106 dB maximum output (COLS101)
  • IP66 per IEC 60529, Zoom certified
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Product Overview

Overview

The Biamp Desono COLS Series is a slim two-way column loudspeaker series. COLS is a range of slim, white aluminium column loudspeakers, 66 mm square, that blend into walls and facades. Three lengths are offered: COLS41 (four 2 inch drivers), COLS81 (eight) and COLS101 (ten), each with a 1 inch tweeter, a tap switch for 70 V / 100 V or low-impedance use, and IP66 weather protection for patios and concourses.

Corporate AV supplies, installs and supports Biamp systems across India. Request a quote for the Biamp Desono COLS Series with supply, installation and commissioning.

Key features

  • Lengths of 399, 614 and 721 mm
  • Vertical pattern of 20, 15 and 10 degrees
  • Up to 106 dB maximum output (COLS101)
  • IP66 per IEC 60529, Zoom certified
  • 70 V / 100 V taps or low impedance
  • L-brackets and two IP66 gland nuts included

Typical applications

  • Houses of worship and auditoria
  • Patios, concourses and terraces
  • Distributed background music with speech clarity
Why choose the Desono COLS Series
it is a slim two-way column loudspeaker series from Biamp, one slim housing style offers three lengths for different throw distances.
Product Highlights

Key Benefits

Lengths of 399, 614 and 721 mm

Vertical pattern of 20, 15 and 10 degrees

Up to 106 dB maximum output (COLS101)

IP66 per IEC 60529, Zoom certified

70 V / 100 V taps or low impedance

Use Cases

Ideal Applications

Houses of worship and auditoria

Patios, concourses and terraces

Distributed background music with speech clarity

Technical Details

Technical Specifications

Physical
Dimensions H 399 mm x W 66 mm x D 66 mm
Mounting Adjustable tilt L-bracket
Included accessories L-brackets and 2x IP66 water-tight gland nuts (included).; COLSBRA: pan/tilt mounting bracket
Finish RAL Color: White RAL 9016
Power and connections
Power 20W Cont.; 80W Peak
Control None; select transformer tap or low impedance input via terminal block wiring
Performance
Loudspeaker type 2-way, 4 x 2-inch column loudspeaker
Sensitivity (1W/1m) 87 dB
Impedance 8Ω
Maximum output Max Output @1m: 100 dB; 106 dB Peak
Platform certifications Zoom Certified
Safety and compliance IP66 per IEC 60529
Versions and part numbers
COLS41 (4 x 2 inch) Desono COLS41
COLS81 (8 x 2 inch) Desono COLS81
COLS101 (10 x 2 inch) Desono COLS101
Why CorporateAV?

Sourced right. Installed right.

Genuine Manufacturer Stock
Every unit sourced through authorized distribution, backed by manufacturer warranty.
Expert AV Integration
Paired correctly with compatible systems and your room's existing AV infrastructure.
Pan-India Delivery & Support
On-site installation and ongoing technical support wherever your project is based.
More Details

Additional Information

Why Buy The Desono COLS Series From Corporate AV?
  • Genuine Biamp stock with manufacturer warranty support
  • Custom pricing for bulk and multi-room / multi-site rollouts
  • Local after-sales support — a real team you can call or WhatsApp, not a call centre
  • Expert guidance on product selection and deployment planning
  • Professional installation across Bangalore, Hyderabad, Mumbai, Delhi NCR, and the wider India region
Distribution

Corporate AV supplies and installs Biamp products across Bangalore, Hyderabad, Mumbai, Delhi NCR, Chennai, Pune, Kolkata, Ahmedabad, and the wider India region.

Frequently Asked Questions

What is the Biamp Desono COLS Series?
The Biamp Desono COLS Series is a slim two-way column loudspeaker series. COLS is a range of slim, white aluminium column loudspeakers, 66 mm square, that blend into walls and facades. Three lengths are offered: COLS41 (four 2 inch drivers), COLS81 (eight) and COLS101 (ten), each with a 1 inch tweeter, a tap switch for 70 V / 100 V or low-impedance use, and IP66 weather protection for patios and concourses.
What are the main specifications of the Biamp Desono COLS Series?
Biamp lists these figures for the Desono COLS Series: dimensions: H 399 mm x W 66 mm x D 66 mm; power: 20W Cont.; 80W Peak. The full specification table is on this page.
How do COLS41, COLS81 and COLS101 differ?
They differ in length and output. The COLS41 is 399 mm and 20 W continuous, the COLS81 is 614 mm and 30 W, the COLS101 is 721 mm and 30 W with the narrowest 10 degree pattern.
Can I use them outdoors?
Yes. Biamp lists an IP66 rating, with water-tight gland nuts supplied.
What transformer taps exist?
For example 20, 10, 5 and 2.5 W at 70 V on the COLS41, and 30, 15, 7.5 and 3 W on the COLS81, with a low-impedance bypass.
Is there a mounting bracket?
L-brackets are included; an optional COLSBRA pan/tilt bracket is available.
What colour are they?
White, RAL 9016, in matte aluminium. That is the figure in Biamp's published specification for the Desono COLS Series.