Medical-grade stainless steel urethral sound with polished surface for advanced sounding play
Key Features:
Premium medical-grade stainless steel construction
Precisely engineered 210 mm length with 6-9 mm taper
Strategically placed stimulation ridges
Advanced urethral play exploration
Electro probe compatibility for intense sensations
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Urethral play demands precision, control, and absolute safety. The Big Bopper Urethral Sound delivers all three—a medical-grade stainless steel instrument engineered for experienced practitioners who want intense internal stimulation with confidence.
The Big Bopper Urethral Sound is a precision instrument built from medical-grade stainless steel for serious urethral exploration. Its 210 mm length and progressive 6–9 mm taper allow controlled, gradual insertion. Strategically placed ridges awaken nerve endings, delivering intense internal sensation. The polished surface glides smoothly, while the integrated 27 mm glans ring keeps it secure during extended wear and hands-free play.
This sound stands apart through its engineering and material integrity. Every surface is non-porous and easy to sterilise. The tapered design gives you absolute control over depth and stretch. See the full BDSM Australia range of Penis Plugs to compare options suited to your experience level.
Preparation is essential. Wash thoroughly with medical-grade cleanser and dry completely. Apply generous water-based lubricant to the sound and your urethra. Relax fully—tension makes insertion difficult. Position yourself comfortably and guide the tapered tip slowly into the urethra. Let gravity and gentle pressure do the work. Never force. The progressive diameter means you control how far you go.
Once inserted, the glans ring keeps it secure. You can wear it hands-free during extended sessions or explore gentle movement and positioning changes. Explore tapered designs like those in the Tapered Penis Plugs collection to find what suits your experience. Remove slowly, apply fresh lubricant, and allow your urethra to rest between uses.
Clean immediately after use with warm water and medical-grade cleanser. Sterilise by boiling for 10 minutes or using an autoclave. Dry completely before storage. Store in the provided protective case away from direct sunlight and extreme temperatures. Inspect the surface before each use—any scratches or damage means it's time to replace it. Never share your sound with others.
Understanding the psychology and technique behind urethral play deepens your practice. Read Introducing Penis Plugs To Wife for insight into communication and safe exploration. Knowledge and consent are the foundation of every scene. Approach this practice with respect for your body and clear boundaries.
The Big Bopper commands absolute attention the moment my submissive sees it gleam. Its weight, its precision, its unforgiving steel—all combine to establish psychological dominance before insertion even begins. I observe their breathing change, watch them surrender to the reality of what's about to happen. Control flows through my hands into their body.
Insertion demands my full attention and theirs. Each millimetre of progress is deliberate. The ridges create sensation that builds in waves, and I dictate the pace entirely. Some submit to the sensation immediately; others require careful escalation. My technique involves reading micro-responses—tension in their jaw, shifts in breathing, the quality of their eye contact. The glans ring allows me to leave it in place, transforming them into living instruments of my will.
What strikes me most is the psychological shift that occurs. Physical boundaries dissolve into pure submission. The sound becomes a symbol of my authority, a reminder that their pleasure exists only through my permission. Recovery and aftercare matter deeply here—this level of intensity demands grounding, reassurance, and genuine presence afterward.
See this and similar tools in action across my 300+ training videos on the BDSM Australia channel.
| Feature | The Big Bopper | Standard Steel Sound | Beginner Plug |
|---|---|---|---|
| Length | 210 mm | 180 mm | 150 mm |
| Diameter range | 6–9 mm tapered | 7–8 mm consistent | 5–6 mm tapered |
| Internal texture | Ridged for intense stimulation | Smooth | Smooth |
| Best for | Advanced practitioners | Intermediate users | Beginners exploring urethral play |
Secure in the knowledge that medical-grade stainless steel means durability and safety, you'll choose The Big Bopper for sessions that demand precision and intensity. At BDSM Australia, this sound represents the pinnacle of urethral exploration. Its engineered taper, ridged design, and glans ring give you complete control over depth and sensation. Order yours today and discover sensations you've only imagined. Quality Bondage Gear Without the Guesswork.
BDSM Australia 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.
Orders addressed to P.O box, G.P.O box or Parcel Collect will be handled by Australia Post. Extra time should be allocated for these orders.
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..
1. Major City & Metro Areas (within Australia)
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.
2. Rural Areas (within Australia)
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.
International Shipping
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.
– Orders may be delivered in separate shipments.
– The order cut off times are based on normal Business Hours and exclude weekends and Holidays: Monday – Friday 12 pm
– When your order ships you will receive an email from us with a link to track your order. If you receive your tracking number before 6 pm (AEST) it may not be updated on the Carrier’s website until that evening.
Due to large amounts of online credit card fraud, all orders are subject to approval by our payment verification department. We will notify you by phone or email should your order be delayed.
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, sex-toy.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.
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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.