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Description
Rolls RS81B Quartz PLL Synthesized AM/FM TunerQuartz Phase Locked Loop (PLL) 30 Memory Presets for FM and AM Stations Retains Presets When Powered Off Auto Search Function Signal Strength LED Meter 1 8" Headphone Output Stereo XLR and RCA Outputs Wireless Remote Control Included The RS81B from Rolls is a single rack space quartz Phase Locked Loop (PLL) digital AM FM tuner, well suited for remote radio station trucks and repeaters, houses of worship and school installations, night clubs,
- Quartz Phase Locked Loop (PLL)
- 30 Memory Presets for FM and AM Stations
- Retains Presets When Powered Off
- Auto Search Function
- Signal Strength LED Meter
- 1/8" Headphone Output
- Stereo XLR and RCA Outputs
- Wireless Remote Control Included
The RS81B from Rolls is a single-rack space quartz Phase Locked Loop (PLL) digital AM/FM tuner, well suited for remote radio station trucks and repeaters, houses of worship and school installations, night clubs, restaurants, and other professional applications. The unit can store up to 30 FM and AM stations and retains its memory even after powering off. The system offers Radio Data System (RDS) display via its large and easy-to-read digital LCD. The RS81B also features an auto search function, a signal strength LED meter indicator, and a wireless remote control.
-
- Up to 30 FM and AM stations may be stored
- RDS (Radio Data System) Display
- Retains presets when power is off
- Large LCD digital display
- Auto Search function
- Standard 1 space EIA rack chassis
- 1/8" Headphone output, Stereo XLR and RCA outputs
- Signal strength LED meter indicator
- Remote included
UPC: 675889008111
| Connectors | |
|---|---|
| Inputs | FM Antenna 75 Ohm: Connects to the included 75 Ohm FM antenna AM Loop Antenna 300 Ohm: Connects to the included 300 Ohm AM Loop antenna |
| Outputs | Balanced: 2 x XLR line level Unbalanced: 2 x RCA line level Headphone (Front Panel): 1/8" / 3.5 mm |
| FM Section | |
|---|---|
| Tuning Range | 87.5 to 108 MHz |
| Limiting | 3 dB Limiting: 12 dB |
| Image Rejection | 53 dB |
| Usable Sensitivity | Mono IHF: 9 dB |
| Selectivity | -70 kHz to +90 kHz |
| Signal-to-Noise Ratio (SNR) | 52 dB @ 1 mV Mono |
| Stereo | 50 dB |
| THD | At 1 mV 40 kHz Deviation: 0.18% |
| Stereo Separation | 28 dB |
| Auto Scan Sensitivity | 23 dB |
| AM Suppression Mod. | 52 dB |
| Antenna Input Impedance | 75 Ohms |
| AM Section | |
|---|---|
| Tuning Range | 530 to 1710 kHz (10 kHz increments) 522 to 1611 kHz (9 kHz increments) |
| IF Frequency | 450 kHz |
| Usable Sensitivity | 28 dB |
| Auto Scan Sensitivity | 41 dB |
| S/N Ratio | 46 dB @ 5 mV/M |
| 6 dB Bandwidth | 7 kHz |
| Image Rejection | 42 dB |
| ACA | ±9 kHz: 46 dB |
| AGC Action | 43 dB |
| THD | 0.40% @ 5 mV/M |
| Antenna Input Impedance | 300 Ohms |
| General Specifications | |
|---|---|
| Power Requirements | Power Select Switch: 115 V (110-120 VAC) or 230 V (220-240 VAC), 60/50 Hz, 45 W |
| IEC | AC: Three connector IEC power cord |
| DC Power Input | 24 VDC input for powering the RS81B when main power is not available |
| Dimensions (WxHxD) | 19.0 x 1.8 x 7.0" / 482.6 x 44.5 x 177.8 mm |
| Weight | 7.1 lb / 3.2 kg |
| Packaging Info | |
|---|---|
| Package Weight | 7.35 lb |
| Box Dimensions (LxWxH) | 23.8 x 11.5 x 5.3" |
In the Box
Rolls RS81B Quartz PLL Synthesized AM/FM Tuner
- Remote Control
- IEC Power Cord
- Limited 1-Year Warranty
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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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]
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4.9 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Very sharp, and accurate
Color: Silver
Works as intended
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
★★★★★ 5
Smoothest Dermaplane Session EVER!
Scent: For Sensitive Skin, Size: 2 Fl Oz (Pack of 1)
This stuff is MIRACULOUS! I also struggle with dermaplanning at home and much prefer to have a professional do it, but that’s too costly for me to do as often as I’d like. I won’t say using this made the results as good as a professional but it wasn’t far off! It literally transformed the entire at home experience! I also end up with my skin feeling dry and irritated and almost bumpy and I feel like I never get a close or smooth result and it takes forever. This cut the process down by about half the time, I had zero redness or irritation afterwards, my skin was silky smooth, and I had zero rough spots. It took a very small amount of product and I never had to add any extra. I left it on afterwards until I got in the shower because it felt so soothing on my face. I have experienced no breakouts after using this and I honestly feel like it helped repair some areas that always feel a bit rough on my face. I can’t recommend this enough! For the record, I have tried dermaplanning with a variety of regular face oils and those worked just as well as using nothing. So I was really doubtful that just because this was marketed for dermaplanning it would make a big difference. But it honestly made a massive difference! I really appreciate that I was able to purchase a smaller bottle at a reasonable price to try. Even though the small bottle will probably last forever I’ll definitely be ordering the big size when I’m out. I will forever purchase this stuff!
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Reviewed in the United States on August 8, 2025
★★★★★ 5
Apply the Oil first prior to using your dermaplane. I used “for sensitive skin.”
Scent: For Sensitive Skin, Size: 2 Fl Oz (Pack of 1)
I only had to apply a small amount to my facial areas where I use my dermaplane. It was easy to,apply, wasn’t messy, didn’t irritate my skin or cause any reaction. It worked great with my dermaplane and soothed my skin.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
Really good!
Scent: For Sensitive Skin, Size: 2 Fl Oz (Pack of 1)
This works really good and I have very sensitive skin!
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Reviewed in the United States on April 25, 2026
★★★★★ 4
Works as it should
Scent: For Oily Skin, Size: 2 Fl Oz (Pack of 1)
Works as it should. Feels nice.
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Reviewed in the United States on June 19, 2025