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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.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.3 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Durable, Rugged, Dog Approved Fun!!
Style: Original, Style: Original
This thing is durable and worth every penny! I bought this over 5 years ago for my rescue and he STILL loves it. He plays with it near daily and it's got a LOT of love-work scrapes, scratches, and scuffs. But it still works perfectly!! Because he's on the medium side, he can't quite bite down on it. Not sure how it'd hold up to heavy chewers with larger mouths. But he can play with this solo for ages and has SO MUCH fun. We love to listen to his "conversations" as he gets into it with this ball. It's been a winner since the day we took it out of the box. It's also the longest lasting toy we still have! Everything else either wore out, was destroyed, or broke. This battery-free ball has made the cut for us.
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Reviewed in the United States on April 2, 2026
★★★★★ 3
Lasted a day for my dog
Style: Original, Style: Original
My dog absolutely loved this toy, but sadly it didn’t even last a full day 😩 I’m not sure if that’s because I have a Rottweiler/Lab mix with the jaw strength of a tiny excavator, or if the durability just isn’t great. Within a few hours, he had already torn right through it 🥲 That said, the sound it makes had us cracking up and definitely kept my dog entertained and intrigued while it lasted!
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Great toy!!!
Style: Original
My dog went mental over this ball!!! She will let me roll it through the backyard or in the house and she will go nuts for it but the great part, she will play by herself with this ball. She will roll it and jump on it and just have a blast.
Since this is not a normal chew toy, my dog's big, she only gets it when I'm with her. It kind of makes it our special thing when I pull it out. We play every day with it and her enthusiasm has never lessened. She can be in another room when I take it out of the cabinet and the second she hears it, she will run into walls in her rush to get to me so we can play! It really is better than just throwing a ball back and forth. She's completely engaged the entire time it's out.
I highly recommend it but just know it's not a normal toy that you can just throw to your dog and walk away. It is an amazing toy to help you bond with your pet.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Great for dogs that need to stay busy
Style: Original
My dog absolutely loves this ball. It is a little noisy so we take it out in the yard and let her play with it there. I highly recommend it if you have a dog that get bored easily. This will surely keep them busy.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Fun for the Dogs and Kids
Style: Original
My dog seems to love this ball. Super sturdy for an aggressive chewer. Easy to play with. Makes the tube sound when it rolls which keeps the dogs attention well. Super fun. It’s made out of hard plastic so it’s not soft at all. Can take this anywhere.
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Reviewed in the United States on May 14, 2026