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Sound that makes performances and audiences truly come alive doesn’t come easy. But C Series loudspeakers put the power of unique Renkus-Heinz developments like Complex Conic Horns to work for you. Versatile enclosure designs, go-anywhere hardware and rugged construction help solve your sound reinforcement challenges easily and quickly.
The CX81 features an 8-inch heavy duty woofer and a 1-inch titanium HF driver
Key Features
• High Volume Output, Small Enclosures70 Hz to 20 kHz ±3 dB: Outstanding, full-range performance in an extremely compact, space-saving design.
• Exclusive 120° x 60° Complex Conic DesignProvides constant beamwidth/directivity without the problems of conventional rectangular horns; can be rotated 90° within the cabinet for wide or deep listening spaces.
• 1.4-inch Extended Range Titanium HF DriverHigh-Frequency compression driver features a 1.4″ Voice-Coil and 1″ Exit that provides smooth, low distortion high frequency performance to 20 kHz and beyond.
• Heavy-Duty 8-inch WooferEasily handles 250 Watts of program power.
Technical Information
Sensitivity:
CX81
96 dB (1W/1m)
Max SPL:
123 dB peak
Dispersion:
120° x 60°, rotatable complex conic horn, (90° x 60° complex conic horn available for purchase)
Freq. Response:
± 3 dB, 90 Hz to 20 kHz
HF Driver:
1″ Titanium driver, model SSD1445-16; 20 W AES
LF Driver:
8″ woofer, model SSL8-20; 1″ VC; 125 W AES @ 16 Ohms
Enclosure:
Poplar Ply, perforated metal grille
Finish:
Black or White Paint
Power:
125 W AES @ 16 Ohms250 W Pgm @ 16 Ohms
Connectors:
Screw terminals & looping 4-pin Neutrik SpeakOn style connectors
Hardware:
12-point Universal Mounting Hardware (Metric M6 threads)M10 U-bracket attachment points
Dimensions:
21″ H x 10-5/16″ W x 10-1/2″ D262 mm H x 533 mm W x 267 mm D
Weight:
25 Lbs / 11.3 kg, Net
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Orders placed though the Amber Technology website are despatched from our Sydney warehouse. Orders placed before 1.00pm Sydney time (for items in stock) will generally be shipped on the same day.
We ship using Startrack Express. We deliver Australia-wide to residential, business and PO box addresses.
Shipping is free for all orders over $1100 including GST (effective 1 April 2026). There is a $33 (including GST) shipping and handling charge for all orders under $1100 including GST.
Tracking numbers for your order can be found in the order history section of your dashboard. If you have any questions regarding shipping, please contact us.
Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.
All items purchased from Amber Technology will be covered under warranty. The duration and terms of this warranty are specified by the manufacturer unless otherwise stated. Warranty information is available on the individual product listings on this site.
Refurbished items will include a 12 month warranty unless otherwise stated.Please contact us if you have received an item which has been damaged in transit or is otherwise not working correctly when you receive it. Subject to availability, we will arrange for a replacement item to be despatched and for the faulty item to be returned to us.
Amber Technology maintains a nation-wide network of carefully selected Authorised Service Agents to ensure that you are never far from convenient, expert technical and service support. If your item develops a problem and requires servicing under warranty, please contact your local Authorised Service Agent.
The availability of stock is communicated via the indicator of each product listing page. "Available" means that reasonable stock is in our warehouse, ready for immediate shipment. "Limited Stock" means that we have only a small number of items in stock. "Out of Stock" means this item is currently unavailable for immediate shipment - orders placed for ‘Out of Stock’ items will be fulfilled as soon as replacement stock arrives.
"Special Order” items are products that are not generally kept in stock in Australia. Lead times for Special Order items vary depending on country of origin, manufacturer’s stock levels, factory production schedules and/or incoming shipment transit times. Please contact us for an estimate as to the likely lead time. Please note that finalized sales for special order items cannot be cancelled.
If refurbished stock is available, this will be shown on the summary page for the product. If a product listing only allows you to choose refurbished stock, we are not holding new stock and we can no longer obtain new stock.
Refurbished items are always in perfect working order and will include all accessories. Refurbished items are may
Refurbished items include a 12-Month warranty unless otherwise stated.
Please visit the Get Support page to find a service agent, log a service ticket, or ask a technical question about your product.
Please contact us if you have received an item which has been damaged in transit or is otherwise not working correctly when you receive it. Subject to availability, we will arrange for a replacement item to be despatched and for the faulty item to be returned to us.