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The complete vocal training system.
Rated 5.0 out of 5 from 54 reviews
Carrie Hope Fletcher, Dean John-Wilson and Jenna Innes use Resono Pro
We deliver to the UK and some other countries, but not the USA or the EU for now.
Fit the attachment you need: the VARA for adjustable resistance, the Spinner to see your breath, or the Multi-Purpose Angle for water bubbling. Step-by-step guides are free in Rayvox Studio.
Food-grade 304 stainless steel, so you can treat it like cutlery, with a soft food-grade silicone mouthpiece. Wipe the outside and brush the inside after each use; for a full clean, use warm soapy water. Let it dry before it goes back in the case. Avoid metal brushes and anything abrasive.
Delivery is calculated at checkout. We assemble every product to order, so please allow 7–10 days for dispatch; every parcel is tracked.
Changed your mind, or something’s not right? See our Returns and Refunds policy. An engraved Resono can’t be returned unless it’s faulty.
The Resono Original telescopes to three set lengths, and a longer tube means more resistance. The metal Resono Go is the one you wear on its cord. Both take every attachment on the same thread.
Eight apertures in one, from 1 mm to 4.5 mm. Turn the dial to line its window up with one hole: the narrower the hole, the more resistance. With every set-up in the kit, the Pro v2 spans 1.5 to 35 cmH₂O.
The Spinner rides on its guide rod above the Multi-Purpose Angle. The faster it spins, the more air you’re moving; the higher it rises, the more pressure you’re making.
The Multi-Purpose Angle turns the extended Resono down into any bottle of water, so your head and neck stay level. The water adds resistance as you go deeper, and the bubbles send a gentle, rocking wave of pressure back to your voice.
The same kit does both. Pick by what your voice needs today.
Steady Resistance
Air through the Resono alone gives a consistent, steady stream of back-pressure. It trains your vocal folds to keep moving efficiently, like an athletic workout.
Great for building strength, conditioning and as an all-rounder.
Rocking Resistance
With the Multi-Purpose Angle, the extended Resono goes into a bottle of water. The depth adds resistance, and the bubbles send an alternating wave of pressure back through your voice.
Great after a session, and as a gentle, therapeutic reset.
Aperture changes resistance more than length does, so a smaller hole always takes you up, whatever the length.
Singing through a straw partly closes the mouth's exit, so a little air pressure builds up behind it. That back-pressure reaches down to your vocal folds and lets them keep vibrating with less effort.
Singers use straws for the same reason athletes train in a pool: full movement, less load.
Back-Pressure in the Mouth
More with a narrower straw.Air Through the Straw
Less with a narrower straw.A standard drinking straw: gentle back-pressure.
The resistance range of different SOVT tools, in cmH₂O of back-pressure.
Resono Pro v2Adjustable
Resono GoAdjustable
Resono (Original)Adjustable, discontinued
3 mm Singing StrawFixed
6 mm Paper StrawFixed
13 mm Silicone TubeFixed
Most straws have a fixed resistance, set by their width and length. Resono is adjustable, so you can load your voice precisely, like changing the weights at the gym. Our own measurements and modelling.
From our annual survey of Rayvox customers, after 12 months with Resono.
Thank you for revolutionising my warmup!Shop Resono Pro
It is the absolute holy grail to singing.Shop Resono Pro
The best warm up tool I’ve ever tried.Shop Resono Flex
I bought this after being a Resono Go user for the last 2 years. It has made an instant difference to my daily practice and routine. My voice feels and sounds much better after 5-10 mins of use and gives me much more confidence
I've found a lot of benefits with rudimentary sovt exercises but never had a dedicated device for it. I knew it would be "better" but I've been pleasantly surprised by just how much more of a benefit I've noticed. Truly it's been so helpful warming up, especially when a little fatigued with a hard show schedule. Looking forward to finding the time to explore the workout aspect and see where it takes me!
The safest way to warm up a mature voice, in my humble opinion. Thank you. 🙏🏻
Real lovely little package, very well made and presented beautifully. I realise it’s a far amount for what is, but it can’t be cheap to produce something of this fit and finish. Early days yet, and it’s replacing the old straw and bottle trick - which I can’t really carry around with me, and its certainly given me lots more options for putting in a bit of vocal training (especially in the car lol). All in all, delighted with my purchase, and wish you all the very best of success with your products for the future.
This is a Christmas present so can’t comment on what it’s like yet but it was requested by my son who had done his homework on what he needed! Expecting it to be great 😊
Niceee
Incredible - does the job
So far, so good. So glad I made the purchase, really helping with the mind to muscle connection. Easily understandable with the instructions you get, as well as all the info online. And it's portable.... whaaaaa!!
This really makes my voice crisp and loud after use , with constant use im sure this will be a life changer, the adjustable resistance is fantastic
The Resono Pro 2.0 has been so helpful for the things I wanted to improve my voice. From the first use, I can already see and feel a difference. It has become a daily routine and is so fun to use.
Every detail, side by side. Your match lights up.
| Feature |
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|---|---|---|---|
| Price | $41.00 USD | $96.00 USD | $13.00 USD |
| Rating | |||
| Best For | Daily warm-ups, anywhere | The full kit for serious training | Straw work in water |
| Resistance | Built-in dial, 1.5 to 35 cmH₂O | Over 40 configurations, 1.5 to 35 cmH₂O | Set by water depth, with depth markings |
| Design | Wearable, on a cord | Modular kit: swap attachments for your goals | Flexible silicone that clicks open to clean |
| Wear It on a Cord | Yes | No | No |
| Water Work | No | With the Multi-Purpose Angle | Made for it |
| Protection | Patented: EP 4157085, US 12,128,273 | Patented: EP 4157085, US 12,128,273 | UK registered design 6266698 |
| Stock | Sold Out: Join the Waitlist | In Stock | In Stock |
Our team answers every message.
Contact UsOver 40. The VARA’s eight apertures give 24 settings on the Resono Original (at its three lengths) and eight on the Resono Go. The 3 mm ARA adds 12 on the Original and two on the Go.
The Resono Original gives the widest range and is the one for the Spinner and for water bubbling. The Resono Go is the one you wear, and pairs well with the VARA for training on the go.
Food-grade 304 stainless steel, so you can treat it like cutlery. The mouth piece is soft food-grade silicone.
Wipe the outside and brush the inside after each use. For a full clean, use warm soapy water and extend and collapse the Resono a few times. Let it dry before it goes back in the case, and give it a clean with isopropyl alcohol once a month. Avoid metal brushes and anything abrasive.
There are spares in the kit. The O-ring holds the VARA’s dial in place and seals it; roll a new one into its groove by hand, or with tweezers. There’s a video in the Resono Pro guide in Rayvox Studio.
Warm-ups picked for your range, lessons you sing along to, and your pitch drawn live as you sing. Free on iPhone, Android and the web.
