Shure MX890, MX690 Specification Sheet

MX690 Wireless Boundary and MX890 Wireless Desktop Base

Overview

The Microflex Wireless Boundary microphone offers total freedom of placement with no holes to drill or cables to run for installation. The Wireless Boundary
Microphone is the perfect solution for conference and meeting spaces where users demand flexibility and high performance. Compatible with Shure SLX®
wireless systems, including the SLX4L receiver with logic output for applications requiring logic functionality.

Specifications

MX690 MIcrophone Specifications

Type

Frequency Response

Polar Pattern (at 1 kHz)

Sensitivity
(at 1 kHz , open circuit voltage)

Dynamic Range

Common Mode Rejection

Preamplifier Output Clipping Level

Polarity

MX690 and MX890 Transmitter Specifications

Operating Range

Frequency Stability

Maximum Frequency Deviation

Oscillator Type

Power Requirements

Battery Life

Power Consumption

Operating Temperature Range

Dimensions

Weight

(subject to change)

Available Models

MX690

MX890

Wireless Boundary Microphone, cardioid, mute switch

Wireless Desktop Base for MX405 and MX410 models, mute switch

Condenser (electret bias)

50–17000 Hz

Cardioid

–33 dBV/Pa (33 mV)
1 Pascal=94 dB SPL

96 dB (1 kΩ load at 1 kHz)

45 dB minimum (10 Hz to 100 kHz)

-6 dBV (0.5 V) (1% THD)

Positive sound pressure on diaphragm produces positive voltage on pin 2 relative to pin 3
of output XLR connector or tip of 1/4” phone plug.

30 m (100 ft.)
Note: Actual range depends on RF signal absorption, reflection, and interference

±10 ppm

45 kHz

Phase-locked loop (PLL) controlled synthesizer

3V (2 AA alkaline or rechargeable batteries)

≥8 hours (alkaline)

130 mA, ±15 mA

-18–57 °C (0–135 °F)
Note: Battery may limit this range

43 mmH x 87 mmW x 148 mmD (1 11/16 x 3 3/8 x 5 13/16 in.)

Net: 318 g (11.2 oz)
Packaged: 516 g (18.2 oz)

MX690

Wireless Boundary Mic
L x W x H: 5 13/16” x 3 3/8” x 1 11/16”
(148 mm x 87 mm x 43 mm)

MX890

Wireless Desktop Base
L x W x H: 5 3/4” x 3 7/16” x 1 11/16”
(146 mm x 87 mm x 43 mm)

Optional Accessories

SLX4

Wireless Diversity Receiver

SLX4L

Wireless Diversity Receiver with Logic Output

Architectural Specifications

MX690 – The microphone shall be a surface mounted, black condenser microphone with a cardioid polar pattern. The microphone shall
have an integrated wireless transmitter for audio signals with switchable carrier frequencies as well as preprogrammed groups up to 12
compatible channels. An infrared signal shall be used to synchronize the frequency between transmitter and receiver. The microphone shall
be resistant to RF interference from portable mobile and handheld devices. The frequency range shall be 50Hz to 17KHz and the sensitivity
shall be 33 mV/Pa.

MX890 - The wireless desk stand shall be a transmitter base for audio signals with switchable carrier frequencies as well as preprogrammed
groups with up to 12 compatible channels. An infrared signal shall be used to synchronize the frequency between transmitter and receiver.
The wireless desk stand shall be used with the MX405 and MX410 series gooseneck microphones.

www.shure.com

United States:

Shure Incorporated
5800 West Touhy Avenue
Niles, IL 60714-4608 USA

Phone: [phone]
Fax: [phone]
Email: [e-mail]

©2007 Shure Incorporated

Europe, Middle East, Africa:

Shure Europe GmbH
Wannenäckerstr. 28,
74078 Heilbronn, Germany

Phone: [phone]
Fax: [phone]
Email: [e-mail]

Asia, Pacific:

Shure Asia Limited
3/F, Citicorp Centre
18 Whitfield Road
Causeway Bay, Hong Kong

Phone: [phone]
Fax: [phone]
Email: [e-mail]

MX690

Canada, Latin America,
Caribbean:

Shure Incorporated
5800 West Touhy Avenue
Niles, IL 60714-4608 USA

Phone: [phone]
Fax: [phone]
Email: [e-mail]