Remote Audio Hot Box v2 User Manual

Hot box, Remote audio

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The HOT BOXv2 is the latest revision of Remote Audio's
popular DC power distribution box, and the newest member
of the MEON series of power management devices. Like its
"HOT BOX" predecessor, the HOT BOXv2 features 6A self-
resetting breakers on each of its XLR4F output connectors
and a master on/off switch. Maximum current handling
capability is 24A for the entire box. HOT BOXv2 adds
reverse-polarity protection and a much smaller physical
footprint with all connectors entering and exiting on the same
side of the unit. It is now simpler to mount in a cart.

Using the HOT BOXv2
The HOT BOXv2 has a 4-pin XLR input, wired in the standard
configuration of PIN 4 +, PIN 1 -. Input voltage should fall
within a range of 6 - 20V to ensure correct operation. The
HOT BOXv2 is protected from reverse-polarity at the input.
The illuminated power switch will stay off, and no voltage will
be passed to the output connectors. There are five DC power
outlets on the HOT BOXv2, also wired in the standard 4-pin
XLR configuration. These outlets have auto-resetting 6A
breakers to protect against overload. The HOT BOXv2 can be
mounted inside the cart or bag with Velcro


strips or any

other suitable type of fastening device.

Using the HOT BOXv2 with the SHUNT BOX and RM
The SHUNT BOX is the perfect companion to the HOT
BOXv2. It offers enhanced power management options,
including its own redundant overload protection, reverse
polarity protection with flashing indicator, and RM Remote
Meter interfacing for voltage & current monitoring and remote
power cycling. The SHUNT BOX can be placed in-line before
the input to the HOX BOXv2 to monitor the total voltage and
current consumption of all devices connected and to remotely
turn on/off the system. It could also be placed in-line with a
single device to remotely monitor and turn on/off that device.
With the HOT BOXv2 hidden deep inside the cart, the
SHUNT BOX and RM Remote Meter become the brains of
your power management system.

Information concerning DC Power Cables
There is always some voltage drop in power cables, but the
goal is to keep this drop as insignificant as possible. When
using a battery system, managing this voltage drop is
particularly important and can actually add hours of use
before recharging is needed. For example, if a piece of
equipment automatically shuts down when its supply voltage
falls below 11V, and there is a 1V drop in the cable, then the
equipment will shut down when the battery supply goes below
12V. Since much of the capacity of most 12V battery systems
is between 12V and 11V, it is easy to see how important it is
to minimize the voltage drop within a cable.
The amount of voltage drop in a cable depends on three
factors: 1) the amount of current drawn by the device being
powered, 2) the size of the conductors inside the cable, and
3) the length of the cable. Simply put, the larger the
conductors and shorter the cable, the less the voltage drop
will be. But the more the current draw of a piece of
equipment, the more the voltage drop. Therefore, a small
cable that would have an insignificant drop with equipment
drawing only 250mA (for example) may be completely
inadequate for equipment drawing 6A. There are equations
and formulas available to help determine the amount of
voltage drop given a certain length of cable, size of
conductors (gauge), and amount of current being drawn.
However , the best practice is to use cables that are as large
and short as practical. Your Remote Audio dealer should be
able to supply cables of proper length and gauge for your

Items needing repair may be sent directly to:

Remote Audio Products
220 Great Circle Road, Suite 114
Nashville, TN 37228

Prior to returning any items, contact Remote Audio for an
RA# (return authorization number) at 615-256-3513, or
[email protected]

Connector Type:

XLR4M input (x1), XLR4F output (x5)

Voltage Requirements:

6 - 20 VDC

Current Capacity:

6A at each output, 24A total


60 mA @ 13.8VDC Nominal


6.4" x 1.6" x 1.9"


7.5 oz

Limited Warranty

Remote Audio warrants the HOT BOXv2 against defects in materials and workmanship for a period of one (1) year from the

date of original retail purchase. Remote Audio will repair or replace qualifying products at its discretion at no charge. Please

visit our website for complete terms and conditions or contact us at [email protected].

Rev 02/01/2012

hot box





220 Great Circle Road, Suite 114, Nashville, TN 37228-1737

Phone: 615.256.3513 | Fax: 615.259.2699


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