Rolls MiniMix MX22s Manual, Specifications

MX22s MINI MIXER
Rolls Corporation
Salt Lake City, UT
02/10
- Studio
- Install
- Broadcast
... anywhere you need to mix a 1/8 inch and  
RCA signal together.
SCHEMATIC
MX22s 2 Channel 
Stereo/Mono Mixer
- Mixes 1/8” line level signals with stereo 
   RCA signals
- 
Individual controls for each signal
- AC adapter included
SPECIFICATIONS
CH1 Max Gain:    32 dB
CH2 Max Gain:    20 dB
CH1 Input Impedance:      10K Ohms
CH2 Input Impedance:      20K Ohms
Output Impedance:   50 Ohms
Power:                                    Rolls PS27 @ 12 VDC 200mA
Size:     2.75” x 2.35” x 1.5” 
     (7 x 6 x 3.8 cm)
Weight:     1lb (.45Kg)
The MX22s mixes a 1/8” line signal such as a wireless mi-
crophone or other line level signal, with a stereo RCA signal 
like a CD or cassette player. The unit has enough output to 
drive a power amplifi er directly and is ideal for audio visual 
applications as well.
INTRODUCTION
The MX22s is a two-channel mixer for mixing a 1/8” line 
signal such as a wireless microphone, and a stereo RCA 
signal such as a CD player. The MX22s has enough output 
to drive a power amplifi er directly and is ideal for audio/video 
applications.
WARRANTY
For complete information on the Rolls 1 Year Warranty, and 
to register this product, see our website at www.rolls.com.
DESCRIPTION
CH 1 Input: 1/8”  stereo jack for receiving line or instrument 
level signals.
CH 2 Input: Stereo RCA input for receiving line level signals. 
These signals are mixed to mono.
Line 1 Volume: Controls the level of the signal from Channel 
1.
Line 2 Volume: Controls the level of the signal from Channel 
2.
Line Outputs: Dual mono RCA and 1/8” jacks for connection 
to a line input device such as a mixer.
Power Input: For connection to the power supply Rolls 
PS27.
STEREO/MONO SWITCH: For switching the MX22s from 
stereo in/out to mono in/out. Units are shipped from the fac-
tory in stereo mode.
                 
MX22s MiniMix
MX22s MiniMix
MX22s MiniMix

1
ROLLS CORPORATION
5968 S 350 W
Murray, Utah 84107
1
MX22s.sch B
21 February 2010
Title
Size: Document Number:
Date:
Rev:
Sheet of
MiniMix MX22S
Ba
LINE/HDPHONE
LINE OUTS
+V
+V
CH 1
CH 2
IN 9-15 VAC/VDC
4
5
6
J3B
RCAX4 PC
R6 10K
1
2
3
J3A
RCAX4 PC
C4
1U
R10 10K
R12
100K
2
3
1
4
U1A
4560
C1
1000 UF
D1
1N4001
2
3
1
J2
JAPDC
R7
10K
C6
1U
R4
51
C5
27PF
R1
100K
6
5
7
8
U1B
4560
R2
51
C2
47U
C3
47U
R3
18K
R5
22K
C7
27PF
R8 10K
R9
10K
D2
LDLG
J4
3.5STJK
J1
3.5STJK
13
2
P2A
P100K X2
4 6
5
P2B
P100K X2
1 3
2
P1A
P100K X2
4 6
5
P1B
P100K X2
C8
47U
STEREO
MONO
3
1
2
SW1
SPST

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