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Description
Rolls RPQ160b - Parametric EqualizerSingle Channel 4 Bands High and Low Pass Filters XLR, 1 4" and RCA I O The RPQ160b from Rolls is a single channel, 4 band parametric equalizer with high and low pass filters. The 4 bands have a combined overlapping frequency range of 70Hz to 20kHz. The single rack space unit features 3 different input and output connectors to accommodate a wide variety of applications. T filters are used for the equalization circuits to avoid the complexity and
- Single Channel
- 4-Bands
- High and Low Pass Filters
- XLR, 1/4" and RCA I/O
The RPQ160b from Rolls is a single-channel, 4-band parametric equalizer with high- and low-pass filters. The 4 bands have a combined overlapping frequency range of 70Hz to 20kHz. The single rack space unit features 3 different input and output connectors to accommodate a wide variety of applications. T filters are used for the equalization circuits to avoid the complexity and distortion of state-variable filters.
The EQs precise equalization makes it suitable for many applications, including school or church gymnasiums, home or professional recording studios, live sound or the EQing of musical instruments. When coupled with a spectrum analyzer, the RPQ160b can match exactly the properties of typical acoustic resonances and reflections, and make immediate improvements to any installed system's amplitude and phase response.
- 4 bands of parametric equalization
- Great for room equalization, sound reinforcement, or home and studio recording applications
- Adjustable high and low shelving filters
- "T" Filers, which avoid the complexity and distortion of state-variable filters
- XLR, 1/4" and RCA inputs and outputs
- AC adapter included
- Made in the USA
UPC: 675889016000
| Filter Type | Parametric |
| Number of Channels | Single |
| Inputs | 1 x XLR 1 x 1/4" TRS phone 1 x RCA |
| Outputs | 1 x XLR 1 x 1/4" TRS phone 1 x RCA |
| Maximum Input Level | +24dB |
| Frequency Bands | 70Hz to 1.5kHz 150Hz to 3kHz 300Hz to 10kHz 600Hz to 20kHz |
| Bandwidth | 0.3 to 3 octaves per band |
| Range (Boost/Cut) | -15dB to +15dB per band |
| Maximum Output Level | +24dB |
| Frequency Response | 16Hz to 30kHz, +/-3.0dB |
| Dynamic Range | Not specified by manufacturer |
| Noise | SNR: >90dB |
| Power Requirements | 12VAC via supplied adapter |
| Dimensions (WxDxH) | 19 x 4 x 1.75" (483 x 100 x 45mm) |
| Weight | 5 lbs (2.3kg) |
| Specialties | High-pass filter: 16Hz to 500Hz, 12dB/octave slope Low-pass filter: 1kHz to 30kHz, 12dB/octave slope |
| Packaging Info | |
|---|---|
| Package Weight | 5.05 lb |
| Box Dimensions (LxWxH) | 21.6 x 8.0 x 3.8" |
In the Box
Rolls RPQ160b - Parametric Equalizer
- External Power Supply
- One (1) Year Warranty to Original Purchaser
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
4.1 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 4
If they squeaked, they would be the perfect ball!
Size: 2-pack, Style: Duo
I bought our 15 month old Coton several Chuck-It toys on an Amazon deal. He is incredibly playful, mischievous, and ball/toy obsessed, especially for anything that makes noise. He can also be very destructive so I love how durable most of their products are - they’re among our longest lasting toys and worth every penny. We have yet to take them to the dog park, but they’re a perfect size for sharing in plat time. And they are keeping him busy at home - that’s a good thing. The scent is subtle but strong enough for him I guess because he loves gnawing on them. If they had squeakers, they would be absolutely perfect. Hopefully Chuck-It will see an opportunity for that down the road!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 5
Most durable fetch balls I know of.
Size: 2-pack, Style: Duo
These balls are the biggest balls of them all. Well, not the biggest, but the best. Every other ball she would chew up in short order and I'd be throwing her a floppy piece of rubber. She just wants to fetch, but if it's not bouncing, she can't catch it on the bounce. Got these balls in July and no damage to them. I just ordered another pair, but only because the other two somehow got stuck up in trees. We have some very old and very large oak trees so not so easy to retrieve. Hope they somehow drop someday. But in the meantime, Lassie will be happy with her new ones. Very highly recommended!
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Reviewed in the United States on October 28, 2025
★★★★★ 5
Works great for scent work! Bounce is great for air retrieve!
Size: 2-pack, Style: Duo, Size: 2-pack, Style: Duo
My dog doesn’t know he loves them yet but I do! They are a little softer so when we do air retrieve, I don’t have to worry as much about his teeth! I’m hoping he will learn to find them by smell vs sight. We often play in the evenings and he tends to loose his ball. Love chuck it! Right now, we have about 10 chuck it balls! The tennis balls don’t work for air retrieve! Chuckit does!!! Love the thrower too! Saves my arm!!!!
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Reviewed in the United States on August 6, 2025
★★★★★ 3
I guess the smell is offputting
Size: 2-pack, Style: Duo
My dog loves chocolate stuff. But for some reason, wasn’t a huge fan of these balls. She played with them a little bit, but they’re not her favorite.
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Reviewed in the United States on December 30, 2025
★★★★★ 5
Our German Sheppard loves these
Size: Medium
These cost a bit more than tennis balls, but they are so much nicer and longer lasting. For starters, they stay cleaner than tennis balls because they’re smooth rubber. Dirt won’t build up on them and if anything does stick, like grass or soil, it falls off once the dog slobber dries. They’re also thick, so they don’t fall apart or blow out like a normal tennis ball does in our dog’s jaws after 30 seconds. Our GS chomps on these like crazy and the only damage they’ve suffered is a crack that developed from the edge of the hole, but the crack is growing very slowly and none of these balls have totally failed yet. The balls do whistle when thrown ant high speed and that may help a dog track and locate it, but I’m not sure. Our neighbors hear the whistling too so it’s far from silent. Lastly the orange ball is easy to locate out in our yard, but the dark blue practically disappears.
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Reviewed in the United States on April 6, 2025
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