Details

Extron SM 28 (part number 60-1309-02) — a two-way surface mount speaker pair finished in black for wall-mounted distributed audio.

The SM 28 pairs an 8-inch long-throw woofer with dual tuned bass reflex ports and a 1.1-inch silk dome tweeter inside a molded plastic trapezoidal enclosure. Extron's concealed SpeedMount hardware lets a low-voltage contractor install the mounting plate and terminate cable during rough-in, then a separate crew slides the speaker onto the plate later, avoiding rework and schedule conflicts between trades. This 8 ohm direct version suits low-impedance amplifier runs rather than constant-voltage distribution.

Key Capabilities

90 W continuous pink noise, 180 W continuous program power handling per pair
Frequency range of 59 Hz to 22 kHz (-10 dB, full space) for voice and music
108 dB maximum SPL at 1 meter based on rated input voltage
Included 0° mounting plate plus 10° mounting adapter for angled aiming
Optional yoke mount pivots up to 90° in 10° steps for ceiling or wall use

Where It Is Used

The SM 28 fits classrooms, conference rooms, exercise facilities, and retail spaces where a low-impedance 8 ohm speaker feed is already in place and installers need a fast, division-of-labor wall mount.

Specifications at a Glance

8-inch woofer, 1.1-inch silk dome tweeter, 8 ohm nominal impedance
2.0 kHz crossover frequency
16.50" H x 11.50" W x 7.80" D with 0° mounting plate attached
10.9 lbs per speaker with mounting plate; 30 lbs shipping weight per pair
5-year parts and labor warranty

Also referenced as Extron SM28, SM-28, part number 601309-02.

Specifications

Part Number: 60-1309-02

Manufacturer: Extron

Model: SM 28

Condition: New

Speaker Type: 2-way, full range, indoor surface mount speaker

Frequency Range: 59 Hz to 22 kHz, -10 dB, full space (per IEC 60268-5)

Frequency Response: 67 Hz to 17.5 kHz, +/- 3 dB full space

Power Capacity: 90 W (rms) continuous pink noise (per IEC 60268-5); 180 W (rms) continuous program

Rated Maximum Input Voltage (MIV): 25.1 V (78.9 W at 8 ohms) per AES2-2012

Maximum SPL: 108 dB, 1 m (based on MIV); 109 dB, 1 m (linear)

Nominal Sensitivity: 87 dB SPL, 1 W, 1 m, full space (per IEC 60268-5, 60 Hz to 20 kHz)

Nominal Coverage Angles: Horizontal: 105° (1-4 kHz, weighted 2-4 kHz); Vertical: 60° (1-4 kHz, weighted 2-4 kHz)

Nominal Impedance: 8 ohms

Crossover Frequency: 2.0 kHz

Woofer: (1) 8" (203.2 mm) polypropylene cone

Tweeter: (1) 1.1" (28 mm) silk dome

Overload Protection: Full range power limiter protecting the tweeter, woofer, and crossover

Input Connector – Speaker: 2 recessed pins (mate to receptacles on mounting plates)

Input Connector – Mounting Plate: (1) Euro-style captive screw terminal block, 4 pole

Package: 2 speakers (1 pair) with mounting kit package

Mounting: Wall mountable with included mounting plates

0° Mounting Plate: Fixed 0°

10° Mounting Adapter: Fixed 10° up, down, left, or right, based on orientation of adapter

Yoke Mount (Optional): Up to 90° upward/downward or left/right, in 10° steps based on orientation of yoke

Enclosure Type: Plastic, trapezoidal, with molded grille and bass reflex ports

Enclosure Dimensions – Speaker Only: 16.50" H x 11.50" W x 7.28" D (41.91 x 29.21 x 18.49 cm)

Enclosure Dimensions – With 0° Mounting Plate: 16.50" H x 11.50" W x 7.80" D (41.91 x 29.21 x 19.81 cm)

Enclosure Dimensions – With 0° Plate and 10° Adapter: 16.78" H x 11.50" W x 10.16" D, vertical orientation angled 10° down (42.63 x 29.21 x 25.81 cm)

Product Weight – Speaker Only: 10.1 lbs (4.6 kg) each

Product Weight – With 0° Mounting Plate: 10.9 lbs (5.0 kg) each

Shipping Weight (Pair): 30 lbs (14 kg) with mounting kit package

Storage Temperature/Humidity: -40 to +158 °F (-40 to +70 °C), 10% to 90%, noncondensing

Operating Temperature/Humidity: +32 to +122 °F (0 to +50 °C), 10% to 90%, noncondensing

Safety/EMI: CE

Environmental: Complies with the appropriate requirements of RoHS and WEEE

Warranty: 5 years parts and labor

Diagram

Resources

Brochure | SM 28 60-1309-02 | SM 28

Manual | SM 28 60-1309-02 | Cleaning Instruction Card

Manual | SM 28 60-1309-02 | SM 28 Setup Guide

Manual | SM 28 60-1309-02 | SM 28 User Guide

Manual | SM 28 60-1309-02 | SM 28 Yoke Mount Kit

Manual | SM 28 60-1309-02 | SM 28 Yoke Mount Setup Guide

Manual | SM 28 60-1309-02 | SMK P SM 26/28 Pivot Mount Kit Setup Guide

Specifications | SM 28 60-1309-02 | SM 28, SM 28T

Panel Drawing | SM 28 60-1309-02 | SM 28

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Extron SM 28 2-Way Surface Mount Speaker Black Pair 60-1309-02

Name: Extron SM 28 2-Way Surface Mount Speaker Black Pair 60-1309-02
Brand: Extron
SKU: EXTRON-SM28-60130902
Availability: InStock

Manufacturer: Extron

Type: Speakers

Extron SM 28 Surface Mount Speaker

• 8-inch long-throw woofer with dual tuned bass reflex ports
• 90W continuous pink noise, 180W program power handling per pair
• Frequency range of 59 Hz to 22 kHz for accurate voice and music
• Patented concealed SpeedMount system speeds wall installation
• Includes 0° mounting plate and 10° mounting adapter for flexible aiming
• 8 ohm direct connection, 108 dB maximum SPL at 1 meter
• Black high-impact enclosure for AV integration

Need service or repair? No matter the age, brand, or manufacturer Ampronix can repair it! Free, no charge for initial evaluations!

SKU: EXTRON-SM28-60130902

Details

Extron SM 28 (part number 60-1309-02) — a two-way surface mount speaker pair finished in black for wall-mounted distributed audio.

Key Capabilities

90 W continuous pink noise, 180 W continuous program power handling per pair
Frequency range of 59 Hz to 22 kHz (-10 dB, full space) for voice and music
108 dB maximum SPL at 1 meter based on rated input voltage
Included 0° mounting plate plus 10° mounting adapter for angled aiming
Optional yoke mount pivots up to 90° in 10° steps for ceiling or wall use

Where It Is Used

Specifications at a Glance

8-inch woofer, 1.1-inch silk dome tweeter, 8 ohm nominal impedance
2.0 kHz crossover frequency
16.50" H x 11.50" W x 7.80" D with 0° mounting plate attached
10.9 lbs per speaker with mounting plate; 30 lbs shipping weight per pair
5-year parts and labor warranty