Models A400SM, A400XLR, A400SMXLR and
A99SMA User Guide
©2005 Shure Incorporated
27C3022 (Rev. 5)
Printed in U.S.A.
GENERAL
The following accesories allow you to install a shock mount for
gooseneck microphones in permanent installations.
A400SM Shock Mount
. Employs Shure Shock-Stopper™ con-
struction, which reduces the transmission of impact or surface
noise by up to 20 dB. Fits a variety of gooseneck microphones.
A400SMXLR.
Adds the A400XLR insert and a 3-pin XLR-type (fe-
male) quick-release connector to the A400SM Shock Mount.
A400XLR.
Retrofits existing A400SM shock mounts for quick re-
lease. Includes the A400XLR connector and insert.
A99SMA
Adaptor.
Allows you to mount the A400SM Shock Mount
in holes drilled for use with the A99SM Shock Mount (up to a
2¼ inch diameter).
COMPONENTS OF THE A400SMXLR
FIGURE 1
INSTALLING THE A400SM
1. Drill a 44 mm (1 3/4 in.) hole through mounting surface.
2. Use the shock mount as a template to drill pilot holes.
3. Fasten shock mount to surface with supplied screws.
FIGURE 2
INSTALLING THE A400SMXLR
1. Thread cable through grommet, shock mount and insert.
2. Connect cable to A400XLR Connector using two-conductor
shielded microphone cable (Figure 3).
3. Snap connector into insert. Extend locking screw through hole
by turning screw clockwise, locking XLR connector in place
(Figure 4).
4. Insert connector/insert into shock mount. Stretch grommet
over lip at bottom of insert to secure insert to shock mount.
A400XLR
A400XLR CONNECTOR TERMINALS
FIGURE 3
A400XLR WITH LOCKING SCREW (A)
FIGURE 4
A400XLR
Connector
A400XLR
Insert
Cable
A400SM
Shock Mount
Rubber Grommet
G
1
2
3
SHIELD
RED ( + )
BLACK ( – )
A
