Established 1982 Tel: 020 7249 9398
Krentz bass modulator available from Bridgewood and Neitzert London
Krentz Modulator Viola
Krentz violin modulator available from Bridgewood and Neitzert London
Krentz bass modulator available from Bridgewood and Neitzert London

Krentz Modulator Bass

£ 155.00

SKU: KRDB Category: Tag:


A wolf eliminator and tone enhancer in one!

A revolutionary new solution that solves the problem once and for all!
Dramatically improves tone.


This device is light years ahead of any solution I‘ve ever seen – Carter Brey, Principal Cellist, New York Philharmonic.
This little device REVOLUTIONIZES my violin. Seriously. I’m probably going to practice all night. Kevin Krentz is a freaking genius. I’m seriously impressed – Emma McGrath, Associate Chair of the Seattle Symphony Orchestra.
It works beautifully. I have tried all the solutions out there and nothing has ever worked. The Krentz Modulator not only works but improves the tone in general because it seems also to eliminate imperfections in the strings themselves! – Samuel Magill, Metropolitan Opera.
The Krentz Modulator has saved my relationship with my cello. Not only does it solve the wolf issues but it to also enhances the instrument in ways I previously did not experience before. This is by far the best product out there. – Patrick Jee, New York Philharmonic.



As you remember from physics class, when two vibrations match, they double in power, volume.


When two vibrations are exactly opposite they cancel each other. Silence. This is how noise canceling headphones work.

2 vibrations on the cello mixing!

1 the volume of air inside the cello doesn’t change and vibrates strongly at the frequency of your wolf note.

2 when you play the same note, the top of the cello vibrates.

On the cello the 2 vibrations almost match.

Sometimes the waves are the same and double in volume.


Additional information

Weight .25 kg
Dimensions 20 × 20 × 12 cm


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Delivery & Returns Delivery and Carriage We will deliver your goods normally within 48 hours if in stock. Please contact us for more information on items which are currently out of stock, and we will send you an email with approximate new stock arrival dates. If you need delivery by a certain time please state this on your order and we will do our best to accommodate you. VAT and other taxes All prices are shown in GBP including UK VAT (at 20%) where applicable. We are required by law to collect VAT at UK rates on orders despatched to countries within the European Union. VAT will not be charged on orders being shipped to the Channel Islands, Switzerland and countries outside of the European Union. If ordering for delivery overseas, you may be required to pay import duties and taxes that are added once the order arrives in your country. Any add-on charges for customs clearance must be accepted by you. Customs policies vary from country to country, so you should contact your local customs office for further information. Shipping normally takes place within 48 hours (subject to stock) from your order being received and should be delivered within 3-8 days and depending on your country. If you experience any difficulty in placing an order please contact us and we will be happy to help. Returns and Cancellation If the goods you receive are faulty please return them to us in their original condition within 14 days and we will either repair or replace them or refund the cost of the goods. If the goods you receive are not what you ordered please return them to us in their original condition within 14 days and we will either replace them with the goods you ordered or refund the cost of the goods and carriage. Please call us before returning any goods. If you choose to return any goods you must ensure that the goods are properly packaged and sent at your cost by a secure carrier: it is your responsibility to take reasonable care to ensure that they reach us undamaged. If you do not pay for the cost of return then we may deduct the cost of retrieving the goods from any refund due to you in respect of the order. We recommend that you use an insured service for all returns. If a refund is due to you it will be made expeditiously and within 30 days. Non-delivery of goods If your goods are not delivered to you within 14 days of the despatch date you must notify us immediately, otherwise, we cannot accept responsibility for the lost goods. You will be notified of the despatch date by e-mail shortly after we have received your order. Damage in transit Any claim arising from damage in transit must be made to within 3 days of receipt of the goods. Please check the cases and contents immediately upon receipt, and before signing for them. Goods seen to be damaged should be refused, or if kept should be signed "Damaged in transit" and packaging materials must be preserved for inspection. Damaged goods must be reported immediately and within 3 days of delivery otherwise, cannot accept responsibility. Bridgewood & Neitzert LTD 146 Stoke Newington Church Street London N16 0JU United Kingdom. Tel: 020 7249 9398 Or e-mail us. VAT registration GB505061000 Company no (England & Wales) 06197611 E.& O.E.