Speakers; Minimum Requirements And Guidelines - SMART Board 4000 Series Installation Best Practices

CHAPTER 4
PRODUCT ACCESSORIES

Speakers

Some SMART products, such as SMART Board interactive flat panels, include internal speakers, but
you might want to use external speakers in particular applications.
The speakers included with SMART products are designed to provide sound at the front of the
room, not for projecting sound in larger spaces. If you want to use the SMART product in a larger
space, you'll need external speakers.
In most cases, external speakers should be connected to the audio output on the SMART product,
but there are other setups that can provide additional options for connecting external speakers.
For example, a room computer connected to the SMART product might also provide an audio
connection. See Configuring the SMART product for the best audio performance on page 24 for
more information about connecting external speakers and producing the best possible audio
experience.
SMART offers speakers for use in the classroom (such as the
(such as CSR500). These speakers are self-powered: they require only a Line Level input signal
and have an internal amplifier.
Both series of speaker include mounting brackets for mounting to the wall on either side of the
wall-mounted SMART product. For mounting speakers on mobile stands, refer to Installing the
SMART product on a stand on page 16.

Minimum requirements and guidelines

Look for speakers that meet the following guideline:
Guideline
Meet the suggested
specifications as close
as possible
35 smarttech.com/kb/171035
Details
In small to medium sized rooms (rooms up to 20' × 30' or 6 m × 9 m),
using speakers that meet the following suggested specifications as
closely as possible should help to ensure good quality audio:
Frequency response: 80 Hz to 10 kHz ± 3 dB
l
Total Harmonic Distortion (THD) at Peak Power: 100Hz – 10kHz
l
1% Avg. 3% Max.
Signal to Noise Ratio: Better than 60 dB
l
Sensitivity (1W@1m): 86 dBA Sound Pressure Level (SPL)
l
This information should be available in the speakers' specifications.
For rooms larger than 20' × 30' (6 m × 9 m), such as auditoriums, SMART
recommends that you consult an audio specialist to help determine the
best option for the space.
SBA series) and the meeting room