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Rolls Corporation

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    • Rolls MA252 Compact Class D Stereo Amplifier with 4-Channel Built-in Stereo Mixer

      Rolls MA252 Compact Class D Stereo Amplifier with 4-Channel Built-in Stereo Mixer

      The new MA252 is a compact class D stereo amplifier with a 4 CH. stereo mixer built in. It has 20 watts per channel @ 4 Ohms. The class D low heat design gives the MA252 the ability to be mounted in very tight applications. It will work great in ceilings by projectors, or anywhere small and heat free amplification is required. The MA252 is in an all metal chassis and weighs 1 pound. Overall dimension are 6.75" X 3.5" X 1.5". Bottom mounts are provided for permanent installations. The MA252 has an...

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      Item #: RLS-MA252

      Availability: Direct Ship From Manufacturer

      Our Price: $169.00

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    • Rolls MB15B 3.5mm / RCA / XLR ProMatch Converter

      Rolls MB15B 3.5mm / RCA / XLR ProMatch Converter

      The Rolls MB15 ProMatch converts consumer level stereo RCA signals to balanced XLR professional line level, and back. One side of the unit, labeled 1, has two XLR inputs and stereo RCA outputs. The other side labeled 2, has stereo RCA inputs and two XLR outputs. Each side has stereo level controls, and an LED indicates that power is applied to the unit. An additional benefit of the MB15 is that it will act as a balanced XLR line level control. By adding a stereo pair jumper between...

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      Item #: MB-15B

      Availability: In Stock

      Our Price: $56.00

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    • Rolls MX34C Live Mix 2 Channel Mic Mixer 1/8 In and Out

      Rolls MX34C Live Mix 2 Channel Mic Mixer 1/8 In and Out

      The Rolls MX34c LiveMix - two channel microphone mixer. Although having many uses, this little mixer was originally designed with the video camera operator in mind. The MX34c is a two channel microphone mixer with balanced XLR inputs, phantom power, and stereo 1/8" (3.5mm) outputs. The 3.5mm output may be switched either mic or line level. It has a stereo 1/8" (3.5mm) Auxiliary input for connection to any stereo line-level source such as an AM/FM tuner, CD player etc. And a 3.5mm...

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      Item #: MX34C

      Availability: Usually ships in 3-10 business days

      Our Price: $94.00

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    • Rolls HE18 Buzzoff 2-Channel Audio Hum Eliminator

      Rolls HE18 Buzzoff 2-Channel Audio Hum Eliminator

      The Rolls HE18 is a two channel audio hum and buzz remover. Everyone knows how annoying it is to have 60 cycle hum in your sound. Now you can eliminate virtually all ground hum and buzz by simply inserting the HE18 into the audio path. Plus, the unit will convert an unbalanced signal into a balanced signal, and vice-versa. This greatly improves overall noise performance. Features: Eliminates ground loop hum and buzz Leaves signal grounds connected Passive, the unit requires...

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      Item #: HE18

      Availability: Usually ships in 3-10 business days

      Our Price: $39.00

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    • Rolls PB23 Phantom Power Adapter

      Rolls PB23 Phantom Power Adapter

      The Rolls PB23 is for powering phantom powered microphones with 48VDC. Since the unit uses a 100KHz switching power supply there is no audio noise generated. It has an output pull down resistors so it will work with any mixer. Features: Powers a single microphone Utilizes a switching regulator for stable voltage performance Specifications: Phantom voltage: 48V Connectors: 1: Male XLR, 1: Female XLR, 1: 5mm DC input jack Power Input 12 - 18 VCD (Rolls PS27) Size: 3" x 2.5"...

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      Item #: PB23

      Availability: Usually ships in 3-10 business days

      Our Price: $44.00

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    • Rolls HR155 5 Watt Rackmount Stereo Audio Monitor / Speaker

      Rolls HR155 5 Watt Rackmount Stereo Audio Monitor / Speaker

      The Rolls HR155 is a compact rack mount monitor speaker. This unit is designed and manufactured to monitor sound from any stereo RCA line level output, or a single balanced XLR at line level. The chassis design gives the HR155 the ability to be mounted in very tight applications. It will work great in racks, or anywhere a small monitor speaker is required. The HR155 is built in an all metal chassis and weighs 1.25 pounds. Overall dimensions are 7.5" X 3.125" X 1.75". The HR155...

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      Item #: HR155

      Availability: In Stock

      Our Price: $100.00

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    • Rolls HR70 FM Digital Transmitter

      Rolls HR70 FM Digital Transmitter

      The Rolls HR70 is a digital FM transmitter. Send a signal to the XLR or RCA inputs of the HR70. Select what frequency you would like to broadcast those signals on --87.5 to 108 MHz-- and you are now sending signals via FM radio. The HR70 also has a talk over circuit built in. Note: Please only use the Rolls supplied 15VDC power adapter. Features: Simple way to broadcast signals over FM Clean simple design All metal chassis Included DC power supply Specifications:...

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      Item #: RLS-HR70

      Availability: Direct Ship From Manufacturer

      Our Price: $179.00

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    • Rolls RM69 MixMate 3 - 6 Channel/1RU Electronic Audio Mixer

      Rolls RM69 MixMate 3 - 6 Channel/1RU Electronic Audio Mixer

      The Rolls RM69 MixMate 3 is six channel, single rack space, electronic audio mixer with two microphone inputs and four stereo line inputs. The unit is ideal for installs such as small restaurants or night clubs where space is a consideration, without compromising audio quality. A convenient front-panel 3.5mm jack has been included for connection to any standard MP3 player's headphone output. Features: Two XLR Microphone Inputs (including a paralleled front panel input). Individually...

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      Item #: RLS-RM69

      Availability: In Stock

      Our Price: $150.00

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    • Rolls RM67 Mic / Source Mixer

      Rolls RM67 Mic / Source Mixer

      The RM67 is a single rack space mixer designed for the install/contractor market. The unit mixes three balanced microphones with four stereo sources to mono or stereo balanced outputs. The XLR Microphone Inputs have Mic/Line level switches, a send/return Insert jack, and individually switchable +12 VDC phantom power. Priority talkover, with variable Duck Sensitivity is available on one microphone for paging, and on one Source input for use on a jukebox. telephone system, etc. Each Microphone...

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      Item #: RM-67

      Availability: Direct Ship From Manufacturer

      Our Price: $220.00

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    • Rolls MX422 4 Channel Portable Microphone/Line Field Mixer

      Rolls MX422 4 Channel Portable Microphone/Line Field Mixer

      The Rolls MX422 is a four channel, microphone/line mixer with balanced XLR inputs and outputs. The unit is ideal for the broadcast and video markets. It has the same features of other ENG / portable mixers without the extremely high price. Applications include: DV Field Production Electronic News Gathering Location Recording (Dialogue and Music) Digital Recording Broadcast Remotes Desktop Mixing for Video Post Production. MX422 Field Mixer Meter...

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      Item #: MX422

      Availability: Direct Ship From Manufacturer

      Our Price: $439.00

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    • Rolls DA134 4 Channel RCA Distribution Amp

      Rolls DA134 4 Channel RCA Distribution Amp

      Designed for high end RCA audio distribution the Rolls DA134 is a four channel distribution amplifier. RCA and 1/8” inputs that can be switched from mono or stereo. The DA134 will distribute a mono signal to eight outputs, or a stereo signal to four stereo outputs. The outputs are designed to drive line level signals. The DA134 is the perfect distribution amp anywhere high quality sound distribution is required. Features: Expands the output of a stereo device to multiple outputs Can...

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      Item #: RLS-DA134

      Availability: In Stock

      Our Price: $99.00

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    • Rolls MX124 ProMix IV Portable 4 Channel Field Mixer Battery or AC Operation

      Rolls MX124 ProMix IV Portable 4 Channel Field Mixer Battery or AC Operation

      The Rolls MX124 Pro-MixIV mixes 4 microphones into two transformer balanced outputs. It has four XLR inputs, each with individually switchable phantom power, and Low Cut switches (100 Hz high pass filter), a Level control, and a Pan control. As mentioned, it has two transformer balanced, XLR outputs. A 1/4 inch Aux/Headphone output has been provided along with a Clip indicator, Power indicator, and Power switch. The unit is also powered by two 9-Volt alkaline batteries or the included...

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      Item #: MX124

      Availability: In Stock

      Our Price: $150.00

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    • Rolls MA1705 70v Mixer Amplifier 70w

      Rolls MA1705 70v Mixer Amplifier 70w

      The Rolls MA1705 is a single rack space mixer amplifier designed for installation applications. The unit provides a compact and efficient way to mix up to three sources such as AM/FM tuners, CD players, and video players with up to two microphones. Priority talkover is provided on Microphone One for paging, and on Source Three for a jukebox, telephone, etc. The power amplifier provides 70 Watts of power when connected to a 70 volt speaker system. Note: This...

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      Item #: MA1705

      Availability: In Stock

      Our Price: $299.00

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    • Rolls HA43 PRO 4 Channel Stereo Headphone Amp

      Rolls HA43 PRO 4 Channel Stereo Headphone Amp

      The Rolls HA43 Pro is a full frequency response four channel headphone monitoring device designed for the recording studio, or other professional applications like listening rooms and monitoring stations. Each output boasts a whopping 20 dB of clean channel gain. Features: Stereo 1/4" and Dual RCA Inputs. Slider Volume controls. AC adapter included. Full frequency response. Lots of output level.... it's loud! HA43 Pro Specifications: Input Impedance: 100K Ohms unbalanced Size:...

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      Item #: HA-43PRO

      Availability: In Stock

      Our Price: $50.00

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    • Rolls MP13 Mini-Mic Preamp XLR-1/4 Phantom

      Rolls MP13 Mini-Mic Preamp XLR-1/4 Phantom

      The Rolls MP13 is a small, simple, and inexpensive microphone pre amplifier for a variety of applications. The unit has XLR and 1/4" Outputs, XLR and 1/8" Inputs, and a single Gain control with a Clip indicator. Switchable Phantom Power is included for use with a condenser microphone. The unit comes complete with a power adapter. Features: Small size Works with dynamic, Phantom and Heaset mics XLR and 3.5mm inputs XLR and 1/4" outs Works with 9 to 12 Vdc Specifications: Input...

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      Item #: MP13

      Availability: Usually ships in 3-10 business days

      Our Price: $56.00

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    • Rolls HV6 Headphone Volume Control

      Rolls HV6 Headphone Volume Control

      The HV6 (headphone volume) is designed to attenuate stereo headphone signal levels. Since the unit is passive and requires no power, it can go anywhere in a headphone level signal path, and does not need to be located near a power source. The HV6 features 1/4 Tip-Ring-Sleeve and Stereo(XLR type) inputs, Outputs are 1/4 Tip-Ring-Sleeve and 3.5mm. Features: Stereo (Male XLR jack) and 1/4" TRS Inputs 3.5mm and 1/4" TRS Stereo Outputs Stereo signal Level adjustment Belt clip is included Specifications:...

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      Item #: RLS-HV6

      Availability: Usually ships in 3-10 business days

      Our Price: $65.00

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    • Rolls RA170 70-Volt Audio Power Amplifier

      Rolls RA170 70-Volt Audio Power Amplifier

      The Rolls RA170 Power Amplifier was designed especially for the installation contractor. The RA170 is a single rack-space, mono unit with a choice of an RCA or 1/4" unbalanced input. The 70 volt speaker outputs are provided via spring-loaded terminals - no transformer is required for speaker connection. The front panel includes a Power indicator LED, a Volume control, and two Clip LEDs which indicate circuitry overload. The output circuitry is protected from momentary shorting and...

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      Item #: RA170

      Availability: In Stock

      Our Price: $225.00

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    • Rolls PB223 Dual Phantom Power Adapter

      Rolls PB223 Dual Phantom Power Adapter

      The Rolls PB223 is for powering phantom powered microphones with 48VDC. Since the unit uses a 100KHz switching power supply there is no audio noise generated. The PB223 has output pull down resistors so it will work with any mixer. The PB223 is identical to the PB23, except it powers two microphones rather than one. Features: Utilizes a switching regulator for stable voltage performance Power condenser microphones requiring phantom power Operates on the included Rolls PS27 12VDC...

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      Item #: PB223

      Availability: In Stock

      Our Price: $56.00

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    • Rolls RA102 10-Channel Expandable Headphone Amplifier

      Rolls RA102 10-Channel Expandable Headphone Amplifier

      The Rolls RA102 is a 10 channel headphone amplifier that can be ganged together for as many channels as desired. It has 1/8" stereo outputs on the front and 1/4" outs on the rear for installations all in a 1U space. Please note!: The minimum headphone impedance for the RA102 is 8ohms. The maximum headphone impedance is 1000ohms. If you connect and use the RA102 with a lower headphone impedance than listed above, you will damage the unit and possibly other equipment...

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      Item #: RA102

      Availability: Direct Ship From Manufacturer

      Our Price: $175.00

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    • Rolls MP222 Studio Pro Preamp

      Rolls MP222 Studio Pro Preamp

      The MP222 Studio Pro Preamp is a two channel microphone preamp. Although having many possible uses, this microphone preamp was designed for studio applications. It has a transformer balanced mic input section, and many variable options for getting your mic to sound just as you want it to when recording. It is great if you are just looking for studio quality mic processing, or any application where a high quality mic preamp is needed. Features: Transformer Balanced Inputs XLR Inputs and Outputs +48...

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      Item #: RLS-MP222

      Availability: In Stock

      Our Price: $169.00

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    • Rolls HA243 4 Channel Studiophile Headphone Amp

      Rolls HA243 4 Channel Studiophile Headphone Amp

      The Rolls HA243 is a high powered headphone amplifier with four 1/4" and 1/8" (3.5mm) headphone outs. The HA243 features an A-B switch for each channel to monitor either the A or B input with the flick of a switch! Please note! Plugging a mono 1/4" or 1/8" TS plug into the Headphone Outputs on the front or rear of the HA243 will cause permanent damage to the unit because one side would be shorted to ground. Never plug a mono plug into ever plug a mono plug into...

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      Item #: HA-243

      Availability: Direct Ship From Manufacturer

      Our Price: $130.00

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    • Rolls DU30b Mic Preamp Audio Ducker

      Rolls DU30b Mic Preamp Audio Ducker

      The Rolls DU30b is a microphone preamp and background music preamp. When an announcement is made into the microphone, the music is automatically "ducked" under the announcement. Then the music is brought back to it's previous level. Features: Automatically ducks music under announcements Perfect for restaurants and small clubs Clean, Quiet Mic Preamp Female XLR jack for connection to a dynamic or condenser paging microphone. Jumper for engaging the +12 volt phantom power to...

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      Item #: DU30B

      Availability: Usually ships in 3-10 business days

      Our Price: $80.00

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    • Rolls MX44 PRO 4 Channel Stereo Mixer

      Rolls MX44 PRO 4 Channel Stereo Mixer

      The MX44 Pro by Rolls is an active 4 Channel Stereo Mixer, perfect for mixing any stereo line source to a stereo input expecting to see a +4 dB or line level input signal. This unit is designed to mix up to four stereo line-level signals such as smart phones, instruments, CD players, DVD players, MP3 players, laptop computers, and more to a single stereo output. Four stereo inputs to one stereo output Stereo RCA and 1/8" TRS Stereo high-impedance inputs Stereo RCA and 1/8"...

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      Item #: RLS-MX44-PRO

      Availability: Usually ships in 3-10 business days

      Our Price: $79.00

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    • Rolls DB24 Stereo Direct Interface

      Rolls DB24 Stereo Direct Interface

      Introducing the Rolls DB24 Stereo Direct Interface. This unit is a two channel isolation device designed to connect high impedance devices to low impedance. The unit is completely passive, and utilizes Rolls proprietary audio transformers for superior sound. A heavy duty steel chassis was chosen to provide maximum reliability when used in demanding live sound reinforcement applications. A variety of inputs are provided including stereo and mono 1/4", stereo RCA, and stereo 1/8"...

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      Item #: DB24

      Availability: Usually ships in 3-10 business days

      Our Price: $69.00

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    • Rolls DB226 Stereo Line to Balanced Mono Converter

      Rolls DB226 Stereo Line to Balanced Mono Converter

      The Rolls DB226 is a small adapter with an all metal chassis, designed to convert a stereo line level signal to a balanced mono output. The DB226 can also convert a balanced mono input to a mono RCA output. DIN rail bracket also avaliable. Features: Plugable screw terminal for the balanced side RCA input or output Small compact design Made in USA Specifications: 40 - 20K Hz response +4dB max level

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      Item #: RLS-DB226

      Availability: Usually ships in 3-10 business days

      Our Price: $69.00

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      Rolls Corporation is a company specializing in audio electronics manufacturing. Products include signal processors, amplifiers, mixers, signal sources, and interface accessories.

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      Markertek is an authorized dealer for the entire Rolls line. If you don't see what you're looking for, contact us and we'll do our best to get it for you.

       
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