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 amplifier 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 qualified person. Units are shipped from the factory in stereo mode.

SCHEMATIC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Size: Document Number:Rev: BaMX22s.sch B

1

 

 

 

 

 

 

.5STJK

 

LINE/HDPHONE

 

 

 

 

 

RCAX4 PC

J3A

 

3LINE OUTS

 

2

 

 

 

ROLLS CORPORATION 5968 S 350 W Murray, Utah 84107

MX22S

Date: 21 Nobember 2007 Sheet 1 of

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J1 3

 

 

 

 

 

 

 

1

 

 

 

 

 

 

MiniMix

 

 

C8 47U

 

 

 

 

 

 

 

 

C2 47U

 

 

 

 

 

 

Title

 

 

R4

51

 

 

 

 

 

 

 

 

 

 

 

 

 

7

R2

51

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4560

 

 

 

 

 

 

 

 

 

C7 27PF

R12

100K

U1A

4560

 

C5

27PF

 

100K

 

+V

8

 

U1B

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R1

 

 

 

6

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C4 1U

 

 

 

 

 

 

 

 

 

 

 

C6 1U

 

 

 

 

 

 

 

C3 47U

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R5 22K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STEREO

 

 

 

 

 

 

 

 

 

 

R3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MONO

 

 

 

 

 

 

 

 

D2

R9

 

18K

 

 

 

 

 

 

 

 

 

 

 

 

H1A

HD3 H1B

HD3

HD3 H1C

 

 

 

 

 

LDLG

+V 10K

C1

1000UF

 

 

 

 

 

 

 

 

R10 10K

1P100K X2

1

 

 

 

2

3

10K

 

 

 

 

 

D1

1N4001

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

2

 

 

10K

 

 

 

 

 

 

 

 

 

 

 

 

6

P2B

4

 

 

 

 

 

 

 

 

 

 

R7

P100K X2

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

3

 

3

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

R6 P1A

 

6 P1B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J4 .5STJK3

10KR8 P2A

 

 

P100KX2

 

 

 

PC

P100KX24

6

 

5

4

J2

2 3 1

JAPDC

INVAC/VDC9-15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J3B

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

RCAX4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CH

 

 

 

 

 

 

CH 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

.together signal RCA and inch 1/8 a mix to need you anywhere ... Broadcast - Install - Studio -

MIXER MINI MX22s

MiniMix MX22s

MX22s 2 Channel

Stereo/Mono Mixer

-Mixes 1/8” line level signals with stereo RCA signals

-Individual controls for each signal

-AC adapter included

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 amplifier directly and is ideal for audio visual applications as well.

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)

Rolls Corporation Salt Lake City, UT 02/08

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Rolls specifications MiniMix MX22s, MX22s 2 Channel Stereo/Mono Mixer, Introduction, Warranty Description, Schematic

MX22s specifications

The Rolls MX22s is a standout in the realm of professional audio devices, known for its exceptional performance and innovative technologies. Aimed primarily at audio engineers and enthusiasts, this power amplifier combines affordability with high-fidelity output, making it a popular choice in live sound systems and studio settings.

One of the most notable features of the Rolls MX22s is its robust power output. With a dual channel design capable of delivering an impressive level of wattage, this amplifier provides ample power to drive speakers efficiently. Its capacity to handle a variety of impedance loads ensures flexibility in connectivity, adapting seamlessly to different setups and speaker configurations.

The MX22s also boasts an advanced thermal protection system. This technology prevents overheating, allowing the device to operate at maximum efficiency without compromising its integrity or performance. With integrated circuit protection, users can have peace of mind knowing that the amplifier will automatically shut down in case of excessive heat or short circuits, ensuring longevity and reliability.

In terms of connectivity, the MX22s offers multiple input options, including XLR and 1/4-inch jacks, making it amenable to various audio sources such as mixers, microphones, and instruments. The output connections are equally versatile, accommodating multiple speaker types and configurations.

Another key characteristic of the Rolls MX22s is its compact and lightweight design, which enhances portability without sacrificing build quality. This feature is particularly beneficial for mobile sound professionals who need to transport gear frequently. The rugged construction ensures that the amplifier withstands the rigors of on-the-road use, while its sleek aesthetic fits into almost any production environment.

The MX22s is also lauded for its low noise operation. The internal design minimizes white noise and other unwanted artifacts, allowing for clean and clear audio reproduction. This fidelity is crucial for professional applications where sound quality is paramount.

In summary, the Rolls MX22s combines powerful performance, advanced protection technologies, versatile connectivity options, portable design, and low noise operation. Whether used in live performance settings or studio recordings, this amplifier is a reliable companion for any audio professional looking to achieve pristine sound quality.