Medical-grade stainless steel urethral sound measuring 210mm with progressive 6mm to 9mm diameter and undulating ridges for precise stimulation. Features integrated 27mm glans ring and polished non-porous construction for complete sterilization.
Key Features:
Progressive diameter increases from 6mm to 9mm for gradual advancement
Medical-grade stainless steel with polished, non-porous construction
210mm length with undulating ridges creating varying pressure points
Integrated 27mm glans ring prevents over-insertion and provides secure grip
Complete sterilization capability between uses maintains long-term durability
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The Big Bopper Urethral Sound is a medical-grade stainless steel urethral sound measuring 210mm long with a progressive diameter range from 6mm to 9mm. Featuring undulating ridges and an integrated 27mm glans ring, it delivers precise stimulation for experienced practitioners and those advancing their sounding journey. The polished, non-porous construction allows complete sterilization between uses.
The Big Bopper conducts temperature naturally through its stainless steel shaft, warming to body temperature during insertion for enhanced sensation. The undulating ridges create varying pressure points along the 210mm length, producing distinct sensations as the sound moves within the urethra. The integrated 27mm glans ring serves as both a control mechanism and depth guide, preventing over-insertion while providing secure grip during play.
Medical-grade stainless steel offers non-porous construction that maintains integrity through repeated sterilization cycles. The substantial weight of the steel adds natural pressure without requiring additional force, while the polished finish ensures smooth interaction with sensitive tissues. Those seeking additional options can find our app-connected prostate toys at Adultsmart for complementary exploration.
| Length | 210mm (8.27 inches) |
| Diameter Range | 6mm to 9mm (0.24 to 0.35 inches) |
| Glans Ring Diameter | 27mm (1.06 inches) |
| Material | Medical-grade stainless steel |
| Surface Finish | Polished, non-porous |
| Sterilization | Boiling, autoclave, or medical sterilization solutions |
Combining The Big Bopper with prostate massage creates layered stimulation that many experienced practitioners find more intense than sounding alone. Pairing urethral stimulation with starter sets for anal sex allows exploration of multiple erogenous zones simultaneously. Advanced users often discover that varying the duration and intensity of sessions produces different sensations and deepens their understanding of their body's responses.
After each use, rinse the sound thoroughly with warm water to remove any lubricant residue. Sterilize using one of the approved methods before storage to maintain complete hygiene. Store in a clean, dry location away from extreme temperatures, and inspect regularly for any signs of damage or corrosion that might compromise safety.
The Big Bopper is manufactured from medical-grade stainless steel, the gold standard for urethral sounds. Non-porous construction prevents bacterial growth and allows complete sterilization through standard medical techniques. The polished surface finish is a critical safety feature ensuring smooth interaction with sensitive urethral tissues, while the material's rigidity provides the control necessary for safe, intentional stimulation.
This sound suits experienced practitioners seeking deep urethral stimulation with advanced design features and safety mechanisms. Those advancing their sounding journey benefit from the progressive diameter range that allows gradual adaptation over time. The integrated glans ring and undulating ridges appeal to users wanting varied sensations and precise control during extended sessions, making it ideal for those committed to exploring this intimate practice safely.
For those who have explored sounding with basic sounds and discovered they want more sophisticated sensation and control, the difference between generic and precision-engineered instruments becomes immediately apparent. The Big Bopper's undulating ridges create distinct pressure points that basic smooth sounds cannot replicate—each ridge produces a unique sensation as the sound moves, transforming sounding from simple insertion into textured exploration. The progressive diameter design allows experienced practitioners to advance gradually rather than plateauing at a single sensation level. For people who have felt limited by sounds offering only uniform stimulation, discovering how varied ridge patterns and changing diameters create layered intensity shifts what feels possible within this practice. The integrated glans ring prevents the anxiety of over-insertion while providing a secure reference point, letting practitioners focus on sensation rather than safety concerns. Medical-grade stainless steel's weight and temperature conductivity add dimensions that other materials cannot match—the steel naturally warms to body temperature, creating a sensation that evolves throughout the session. For those committed to this practice long-term, investing in an instrument designed specifically for safety and sensation rather than settling for generic alternatives transforms the experience from occasional exploration into intentional, sustainable practice.
Our independent testers evaluated The Big Bopper's construction quality, insertion comfort, ridge sensation intensity, and sterilization durability. The medical-grade stainless steel maintained its polished finish through multiple sterilization cycles without corrosion or degradation. Testers reported that the progressive diameter design created noticeable transitions between sensation levels, and the undulating ridges produced distinct pressure variations that basic smooth sounds do not provide.
The integrated glans ring prevented over-insertion while remaining comfortable against the glans during extended use. Sterilization through boiling proved effective and convenient, with no residue or discoloration observed after repeated cycles. Individual results may vary based on anatomy, sensitivity, and usage patterns.
| Product | Unique Advantage | Key Difference | Choose This If You Want |
|---|---|---|---|
| The Big Bopper Urethral Sound | Undulating ridges with progressive 6-9mm diameter range and integrated glans ring | Only model combining textured stimulation with graduated sizing and depth control | Advanced sounding with varied sensations and safety mechanisms |
| Anal vibrators | Vibration for broader tissue stimulation and hands-free pleasure | Vibration-based rather than texture-based, targets different anatomy | Complementary internal stimulation with motorized sensation |
| Borosilicate glass dildos | Temperature play capability through warming or cooling before use | Non-insertable urethral application; broader internal use focus | Temperature sensation without medical-grade sterilization requirements |
| Silicone masturbators | Flexible material for varied pressure and sensation options | External rather than urethral use; softer material properties | Complementary external stimulation with different material feel |
Explore our flexible dildos collection to discover additional options for internal exploration and complementary sensations.
Understanding proper sounding technique and safety protocols significantly enhances both comfort and pleasure during urethral exploration. Sterilization practices, appropriate lubricant selection, and gradual progression with properly designed sounds form the foundation of safe, enjoyable practice. Our comprehensive guide to sounding fundamentals provides detailed information on anatomy, technique, and safety considerations for both beginners and experienced practitioners exploring this intimate practice. Learn about urethral sounding techniques and safety to develop confidence and knowledge before and during your exploration.
Ready to experience precision-engineered urethral stimulation with advanced safety features? The Big Bopper is available at Adultsmart with discreet Australia-wide shipping in plain packaging. All orders are processed confidentially from checkout to delivery, ensuring your privacy throughout the entire transaction and shipping process.
Adultsmart.au ships with Australia Post. We ship from Sydney.
All in-stock orders placed before 12pm AEST (Sydney Time) on business days are generally processed on the same day. Packages are usually received 1-6 business days after shipping, but may subject to any postage carrier related delays beyond our control.
Free standard shipping on orders shipped within Australia above $200. For orders below $200 standard shipping within Australia is $12.95 and will be added at checkout.
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Shipping Transit Times (Including Free Shipping)
Shipping time refers to the estimated time that it will take to deliver your order after it’s ready to ship (Please note this does not include time to process your order). Shipping time does not commence after your order is put through but begins the moment your order has been processed and is ready to dispatch via the our freight carrier..
All in stock orders are generally processed on the same day the order was placed on business days for orders received before 12pm. Generally, orders are processed and shipped the same day or next business day.
Orders are typically received 1-6 business days after shipping. For larger packages please allow an extra 1-2 business days for delivery.
If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from the nearest depot location.
All orders are generally processed on the same day the order was placed on business days before 12pm.
Generally, orders are processed and shipped the same day or next Business day.
Packages below 2kg are usually received 3-6 business days after shipping. For larger packages please allow an extra 1-2 business days for delivery.
If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from the local Australia Post depot.
The price for international shipping is AU$12.95 for orders equal to or below 0.399kg (399grams), and AU$22.95 for orders with a total weight equal to or above 0.4kg (400 grams).
All in-stock orders placed before 12pm AEST (Sydney Time) on business days are generally processed on the same day. Packages are usually received 6-30 business days after shipping.
If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from your nearest delivery depot.
Please note in regards to all orders
– These expected delivery dates/times are based on carrier shipping practices, your destination, and the items in your order.
– Expected delivery dates are estimates. Orders can be delayed due to fraud verification or the time of the order being placed. Items that are not regularly stocked cannot be held to the expected delivery dates.
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We have a 14 day return policy, which means you have 14 days after receiving your item to request a refund for any defective products.
Returns and exchanges are only available for faulty items, goods not as described, or in some instances, for incorrect sizing.
Due to health and safety regulations, Adultsmart.com.au cannot resell any returned or exchanged products.
This policy is in place to prioritise your well-being and ensure that you receive the highest standard of hygiene and quality in all products.
To be eligible for a refund, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging.
You’ll also need the receipt or proof of purchase. We do not issue refunds for change of mind or incorrect choice.
Under Australian Consumer Law, we are not obliged to accept returns for “incorrect choice” or “change of mind” so please choose your products carefully.
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If your return request is accepted, we will provide you with all instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
We do not accept returns for any products that have change of mind, damaged products, or for products that have been used or do not have their original packaging.
Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 7 business days.
Please remember it can take some time for your bank or credit card company to process and post the refund too.