Rolls MX22s Leaflet

Page of 1
MX22s MINI MIXER
Rolls Corporation
Salt Lake City, UT
02/08
- 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” 
2.35” 
1.5” 
     (7 
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.
Internal STEREO/MONO JUMPER: Internal jumper can be 
accessed by removing the top of the MX22s. For switching 
the MX22s from stereo in/out to mono in/out. This should be 
preformed by a qualifi ed person. Units are shipped from the 
factory in stereo mode.
                 
MX22s MiniMix
MX22s MiniMix
MX22s MiniMix
1
ROLLS CORPORATI
O
N
5968 S 350 W
Murray
, Utah
84107
1
MX22s.sch
B
21 Nobem
b
er 2007
Title
Size:
D
ocument 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
1
3
2
P2A
P100K X2
4
6
5
P2B
P100K X2
1
3
2
P1A
P100K X2
4
6
5
P1B
P100K X2
C8
47U
1
H1A
HD3
2
H1B
HD3
3
H1C
HD3
STEREO
MONO