User Manual

MB15b ProMatch
Connection guide
Rolls Corporation
Salt Lake City, UT
9/18
Made in USA
ww.rolls.com
What's in the box?
1 - Made in USA MB15b
1 - 15V power supply PN PS27s
1 - This owners manual
Made in USA
ww.rolls.com
CONSUMER LEVEL VS PROFESSIONAL
LEVEL:
The purpose of the MB15b is to connect
consumer level equipment to professional
level equipment.
Consumer level signals typically come from
devices such as phones, tablets, CD play-
ers and DVD players. Professional level
signals are associated with devices found
in recording studios and sound reinforce-
ment systems like mixing boards, signal
processors, and their associated ampli-
ers.
- Studio
- Install
- Broadcast
... Anywhere you need to convert consumer-level
audio to pro-level and/or vice-versa.
MB15b PROMATCH
The MB15b converts stereo consumer level
signals to professional line level signals -
and vice versa.
It may also serve as a balanced, in line,
level control by patching the four RCA jacks
together.
- Stereo Direct Box
- Stereo RCA to stereo XLR
- Stereo Level control for each channel
- Works as stereo balanced line level control
- 1/8” Headphone level to line level adaptor
SPECIFICATIONS:
Max Out: Bal: +18 dB
Unbal: +12 dB
Max In: Bal: +22 dB
Unbal: +22 dB
Input Impedance: RCA : 100k Ohm
XLR: 10k Ohm
1/8” stereo: 10k Ohm
Output Impedance: RCA: 100 Ohm
XLR: 100 Ohm balanced
Noise Floor: -88 dB
Gain: +4 dB In: -8 dB
-10 dB In: + 20 dB
THD: .003%
Power: 15 VDC adapter (center negative)
Weight: 1 lbs. (.45 Kg)
Size: 4.15” x 2.46” x 1.55”