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Description
Rolls MA2355 5-Input Mixer/AmplifierIdeal for Paging and Background Music XLR and RCA Connectors Bass and Treble Controls The MA2355 from Rolls is a single rack space unit mixer amplifier designed for paging and background music in installed applications. It has 2 XLR microphone inputs and 3 stereo pairs of RCA jacks for CD players, AM FM tuners and similar audio devices. The MA2355 provides 35 watts of power into 8 ohm speakers. Other features include direct access to the power amp
- Ideal for Paging and Background Music
- XLR and RCA Connectors
- Bass and Treble Controls
The MA2355 from Rolls is a single rack space unit mixer/amplifier designed for paging and background music in installed applications. It has 2 XLR microphone inputs and 3 stereo pairs of RCA jacks for CD players, AM/FM tuners and similar audio devices. The MA2355 provides 35 watts of power into 8 ohm speakers.
Other features include direct access to the power amp section via a 1/4" connector, bass and treble controls on sources one and two, a stereo pre-master record output, and spring-loaded output terminals. Priority ducking for paging is provided on microphone one and RCA source three.
- Single rack space unit
- Five inputs - 2 mic, 3 RCA stereo pairs
- Phantom power on mic inputs
- Tone controls for each mic input
- Bass and treble controls on sources one and two
- Direct access to power amp section
- Stereo pre-master level RCA record output
UPC: 675889235500
| Output Power | 35 watts into 8 ohms |
| Input Sensitivity | Mic: -14 dBV RCA: 24 dBV Amp Insert: 24 dBV |
| Input Impedance | Mic: 600 ohms RCA: 22 k ohms Amp Insert: 22 k ohms |
| Gain | Mic: 60 dBV RCA: 26 dBV |
| Frequency Response | 60Hz - 20kHz |
| Signal-to-Noise Ratio | 96 dBV |
| Total Harmonic Distortion (THD) | 0.06% |
| Input Connections | 2 x 3-Pin XLR Female 3 x Stereo Pairs of RCA Jacks 2 x 1/4" Power Amp Inserts (Left and Right) |
| Output Connectors | 1 x RCA Stereo Pair 2 x Spring-Loaded Speaker Outputs (Left and Right) |
| Controls Front Panel | Power Switch 5 x Volume Level Controls 2 x Mic Tone Controls 1 x Bass Control Knob 1 x Treble Control Knob 1 x Left Output Level Knob 1 x Right Output Level Knob |
| Controls (Rear) | 2 x Stereo/Mono Selector Dipswitches 2 x Priority Dipswitches 2 x Phantom Power Dipswitches |
| Indicators | Power and Clip LEDs on Front Panel |
| Cooling | Front Panel Acts as Heatsink |
| Power Consumption | Not Specified by Manufacturer |
| Dimensions (WxHxD) | 19 x 1.75 x 5" (483 x 44 x 127 mm) |
| Weight | 5.5 lbs (2.5 kg) |
| Specialties | N/A |
| Packaging Info | |
|---|---|
| Package Weight | 8.0 lb |
| Box Dimensions (LxWxH) | 21.5 x 8.0 x 4.0" |
In the Box
Rolls MA2355 5-Input Mixer/Amplifier
- User Manual
- 1 Year Limited Warranty
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Really nice and affordable vacuum!
Color: White, Size: D20Plus, Color: White, Size: D20Plus
I’ve been looking to upgrade my vacuum robot for a while. I came across this vacuum, it is affordable and comes with the features that I’m looking for. The strong suction, hair detangle brush (critical if you have long hair) and easy mapping. It honestly made daily cleaning so much easier. The suction power is seriously impressive. It picks up dust and crumbs and I love how it auto emptied the dust bin. Also I have hard floor at home and I’m loving the mopping function. I love how I don’t have to vacuum and mop the floor by myself anymore! Would recommend this robot to people that are looking for an affordable option!
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Reviewed in the United States on March 3, 2026
★★★★★ 4
Decent vacuum/mop for the price
Color: Black, Size: D20Plus, Color: Black, Size: D20Plus
We have had this vacuum for a couple of months now and can now give it an honest review.
The good: cleans well, good suction power, durable, manages changes in floor height fairly well, attractive (for a robot vacuum), programmable, great mapping
The bad: noisy, muffled voices, cumbersome to program initially, app is not the most user-friendly, does not like rugs with a higher nap.
Some tips:
1) If you have pets, be cautious of the cleaning solution. Make sure it's pet safe.
2) For pets and children- Remember to pick up any toys before the cleaning cycle begins. The vacuum will try to eat smaller, flat or string toys, and you will end up with a wrapped brush notification.
3) When mapping for the first time, remember to close doors to any rooms or exterior areas you do not want vacuumed or mopped.
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Excellent for vacuuming with a great app
Color: White, Size: D20Plus
This thing is just awesome. I gave her name and some googly eyes, and now she is my official cleaning lady. Does a great job with dog hair which was the main reason for the purpose. I was vacuuming all the time. I have hard floors and 3 dogs one of which is a golden retriever that sheds like crazy. The D20 does really great getting up the pet hair along with other stuff in the floor. I have a couple area rugs as well as thick mats in front of the front and back doors, and she does great on both. I definitely make sure to get up any cables or little things like door stops as she will get caught up from time to time. The app works great and does a good job of sending alerts when there is an issue. It lets you know if it’s hung up on something, stick on an edge and if the cleaners are tangled up underneath along with other things. It’s really easy to flip over and take off the brushes to clean them out and untangle them, and easy to put it all back together. You can also schedule her to clean any time of day / night and customize how it cleans certain areas. I prefer to let her run late at night while me and the dogs are sleeping, and she gets the house done in about 90 minutes and covers a lot of ground. She’s also surprisingly quiet for as much as she is picking up. If I’m already awake, I can hear her start to roll around upstairs. But I’ve never been woken up by her, nor have my dogs. I have never used the mop feature as I bought it only for the vacuuming. From what I’ve read it seems there are better options for mopping. But as far as vacuuming goes I am super happy with her! I was vacuuming 3-4 times a week and would usually mop every other week, if ai could get away with it. Now I vacuum and mop once every two weeks, and Dreame does a wonderful job keeping the place clean in between my bi-weekly cleanings. The D20 was a great purchase and a major time and energy saver for me!
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Reviewed in the United States on January 9, 2026
★★★★★ 1
Useless
Color: White, Size: D20Plus
Well so far unable to actually use it to see how it works. I have to split my wifi every time I want to use it. It won't charge even when it's on the dock. When I push "charge" on the app it comes off the dock instead of recognizing that it's already on it and proceeds to roam around the house looking for the docking station that it just left. If it can't even find the docking station while sitting on it how can it properly clean the house? I just bought this after returning a defective AirZeen model. Looks like Shark may be the only way to go. Starting yet another return. These are useless
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Great Cleaning Power and Super Convenient
Color: White, Size: D20Plus, Color: White, Size: D20Plus
The DREAME D20 Plus Robot Vacuum and Mop works really well in my apartment. The suction is very strong and easily picks up dust and pet hair from both carpets and hard floors. I also like the self-emptying feature with the large dust bag, which saves me a lot of time. The mapping is accurate, and the battery lasts long enough to clean the whole place. Overall, it’s a great robot vacuum for the price.
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Reviewed in the United States on March 12, 2026