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The Contacta STS-B80 is a combined speaker and directional microphone module built for the customer side of a window intercom installation, and it is Contacta's most popular customer-side unit. The bridge-bar form spans 24.4 inches across the top of a security window or counter screen on a horizontal bar in mild steel, with a 5-watt speaker pod on each end for wide audio distribution to the customer and a cardioid directional microphone mounted on a short vertical stem at the center of the bar. The whole unit mounts above the counter window at eye level for the customer, giving staff and customers clear two-way communication through the glass without a separate mic and speaker.
The bridge-bar form matters at wider counter windows where a single-speaker unit cannot deliver clear audio across the full customer-facing area. The two speaker pods, spaced 19.68 inches apart on the bar, give the customer clear audio whether they are standing directly in front of the window, slightly to the left waiting for a receipt, or on the right side signing a form. For bank teller windows, post office counters, airport ticket counters, information centers, and government service counters where customers naturally shift position during a transaction, the dual-speaker spread is more forgiving of position than a single-point speaker. The cardioid microphone sits above the center of the bar on a short vertical stem, pointed down and forward to pick up the customer's voice directly in front of the window while rejecting ambient lobby noise from the sides and rear.
The combined speaker-and-microphone design in one bar simplifies installation compared to running a separate stem microphone and a separate overhead speaker. One unit, one cable run back to the amplifier, one mounting operation. For retrofits where a counter window is being updated with an intercom and the installer wants to minimize wall-penetration points, the single-unit bridge bar is the fastest install path.
Technical specs: cardioid directional microphone with 70 Hz to 14 kHz frequency response, -67 ±3 dB sensitivity at 1 kHz, 1.6 kΩ impedance. 5-watt RMS speaker at 4-ohm impedance with 85 dB SPL at 1 watt / 1 meter and 150 Hz to 11 kHz frequency response. The STS-B80 is designed to pair with Contacta's STS-A31H window intercom amplifier and is powered by the PS-55 power supply, the same amplifier and power supply used across Contacta's window intercom family.
The STS-B80 is the customer-side component in the Contacta STS-K001 Bridge Bar Window Intercom System. If you are running that kit and the customer-side bridge bar has been damaged by impact or needs replacement, this is the correct replacement part.
The STS-B80 is available in two powder-coated finishes: Grey Leatherette (textured grey finish that pairs well with institutional counter interiors) and Black Textured (matte black with a fine texture that pairs well with modern counter installations). Both finishes use the same mild-steel construction and the same technical specifications.
If your installation uses a glass-mounted microphone and overhead speaker arrangement instead of a bridge bar, Contacta's STS-K058 kit and STS-K020-S23 kit use separate glass-mounted stem microphones (STS-M14 series) paired with surface or overhead speakers (STS-S60 or STS-S23) rather than a combined bridge bar. For high-abuse installations where the customer-side hardware may take impact and anti-vandal construction is important, the STS-M14-300 anti-vandal microphone is the heavier-duty alternative.
If you're not sure whether the STS-B80 bridge bar is the right customer-side unit for your installation, please call us at 800-207-2259.
Features:
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Technical Data — Speaker:
Technical Data — Microphone:
The Contacta STS-B80 is a combined speaker and directional microphone module built for the customer side of a window intercom installation, and it is Contacta's most popular customer-side unit. The bridge-bar form spans 24.4 inches across the top of a security window or counter screen on a horizontal bar in mild steel, with a 5-watt speaker pod on each end for wide audio distribution to the customer and a cardioid directional microphone mounted on a short vertical stem at the center of the bar. The whole unit mounts above the counter window at eye level for the customer, giving staff and customers clear two-way communication through the glass without a separate mic and speaker.
The bridge-bar form matters at wider counter windows where a single-speaker unit cannot deliver clear audio across the full customer-facing area. The two speaker pods, spaced 19.68 inches apart on the bar, give the customer clear audio whether they are standing directly in front of the window, slightly to the left waiting for a receipt, or on the right side signing a form. For bank teller windows, post office counters, airport ticket counters, information centers, and government service counters where customers naturally shift position during a transaction, the dual-speaker spread is more forgiving of position than a single-point speaker. The cardioid microphone sits above the center of the bar on a short vertical stem, pointed down and forward to pick up the customer's voice directly in front of the window while rejecting ambient lobby noise from the sides and rear.
The combined speaker-and-microphone design in one bar simplifies installation compared to running a separate stem microphone and a separate overhead speaker. One unit, one cable run back to the amplifier, one mounting operation. For retrofits where a counter window is being updated with an intercom and the installer wants to minimize wall-penetration points, the single-unit bridge bar is the fastest install path.
Technical specs: cardioid directional microphone with 70 Hz to 14 kHz frequency response, -67 ±3 dB sensitivity at 1 kHz, 1.6 kΩ impedance. 5-watt RMS speaker at 4-ohm impedance with 85 dB SPL at 1 watt / 1 meter and 150 Hz to 11 kHz frequency response. The STS-B80 is designed to pair with Contacta's STS-A31H window intercom amplifier and is powered by the PS-55 power supply, the same amplifier and power supply used across Contacta's window intercom family.
The STS-B80 is the customer-side component in the Contacta STS-K001 Bridge Bar Window Intercom System. If you are running that kit and the customer-side bridge bar has been damaged by impact or needs replacement, this is the correct replacement part.
The STS-B80 is available in two powder-coated finishes: Grey Leatherette (textured grey finish that pairs well with institutional counter interiors) and Black Textured (matte black with a fine texture that pairs well with modern counter installations). Both finishes use the same mild-steel construction and the same technical specifications.
If your installation uses a glass-mounted microphone and overhead speaker arrangement instead of a bridge bar, Contacta's STS-K058 kit and STS-K020-S23 kit use separate glass-mounted stem microphones (STS-M14 series) paired with surface or overhead speakers (STS-S60 or STS-S23) rather than a combined bridge bar. For high-abuse installations where the customer-side hardware may take impact and anti-vandal construction is important, the STS-M14-300 anti-vandal microphone is the heavier-duty alternative.
If you're not sure whether the STS-B80 bridge bar is the right customer-side unit for your installation, please call us at 800-207-2259.
Features:
Applications:
Physical Data:
Technical Data — Speaker:
Technical Data — Microphone:
