Description
Reviews
| Brand | - |
| Category | Musical Instruments/Guitars/Pianos/Accessories / Rosin and Other Low-Value Consumables |
| Origin | - |
| Brand | OTTO |
| Model Number | MR-15 |
| Country of Origin | Germany |
| Compatible Instruments | Violin, Viola, Cello, Erhu |
| Shape | Rectangular Block |
| Color | Dark Amber |
| Weight | 30g |
| Texture | Smooth and Hard |
| Packaging | Protective Cloth Pouch Included |
| Recommended For | Professional and Student Musicians |
Anonymous
Mar 13, 2026
Rating: 5/5
My go-to rosin for years
I have been using OTTO rosin for over a decade. This MR-15 block is reliable, affordable, and delivers a warm tone suitable for orchestral playing.
Anonymous
Mar 12, 2026
Rating: 5/5
Excellent grip for my cello
This German rosin provides fantastic grip without being too sticky. The sound quality on my cello has improved significantly since switching to OTTO.
Anonymous
Mar 11, 2026
Rating: 5/5
Classic German quality
You can tell this is authentic German craftsmanship. No dust, easy to apply, and consistent performance every time I practice.
Anonymous
Mar 07, 2026
Rating: 5/5
Perfect for Erhu players
I was skeptical about using this on my Erhu, but it works beautifully. It creates just the right amount of friction for traditional pieces.
Anonymous
Mar 01, 2026
Rating: 4/5
Great value for money
Works well on my violin. It lasts a long time and produces a clear tone. The only reason for 4 stars is that the packaging was slightly crushed upon arrival.
Anonymous
Mar 01, 2026
Rating: 3/5
Good but hard to break in
The rosin seems high quality, but it took quite a while to break in and start transferring to the bow hair effectively. Once it did, the sound was good.
Q: Is this rosin suitable for a beginner violin student?
A: Yes, the OTTO MR-15 is excellent for students as it provides consistent grip and helps produce a clear tone easily.
Q: Can I use this on a viola as well?
A: Absolutely, this rosin is formulated to work effectively on violins, violas, cellos, and even Erhus.
Q: How long does one block typically last?
A: With regular daily practice, one block usually lasts between 6 to 12 months depending on playing intensity and bow hair condition.
Q: Does this product come with a cloth for application?
A: Yes, each rectangular block includes a protective cloth pouch which can also be used to wrap the rosin or clean excess dust.
Q: Is this rosin hypoallergenic?
A: While made from natural pine resin, we recommend testing a small amount first if you have known sensitivities to colophony.
Rubber Speed Bump 1000x350x40mm Herringbone Pattern
$96.89
![Xian Kan Yun Shu [Cloud Lark] Elegant Brush Washer, Hand-Painted Orchid and Sparrow Design under Glaze, Ceramic Water Pot](https://www.gosteppe.com/cache/small/product/269176/legacy-main-b83d0e5d0aba33de561a2b48.webp)
Xian Kan Yun Shu [Cloud Lark] Elegant Brush Washer, Hand-Painted Orchid and Sparrow Design under Glaze, Ceramic Water Pot
$21.20
Cable Organizer Hook-and-Loop Straps for Data/Charging Cables, Laptop Power, Mouse, Headphones, and Under-Desk Network Wiring
$7.48
Power Strip Organizer Box, Desktop Socket Concealment Case for Charging Cables and Power Cords, Hidden Storage Shelf
$21.93
Automatic Dairy Beverage Filling Machine - Fully Automatic Equipment for Milk, Soy Milk, and Drink Bottling
$1,316.00
Compact Invisible Retainer Case - Leak-Proof Sealed Storage Box for Children's Orthodontic Aligners
$12.50
07521 Scouring Pad Roll for Woodworking, Furniture, Paint Sanding, Metal Deburring, and Brushed Finish - Purple 600 Grit
$81.00
Shiya Insulated Display Cabinet, Constant Temperature Warmer for Commercial Use, Crispy Pork Belly, Roast Duck, Roast Chicken, and Cooked Food
$388.00
Wooden Soap Trimmer with Drawer, Soap Planer and Edge Shaper, Free Shipping
$32.00
Hell Training Rock Guitar by Shinichi Kobayashi Electric Guitar Textbook Tutorial Speed Picking
$106.00
Zhao Mengfu Running-Cursive Calligraphy Copybook - Spring River in the Flower Moon Night Tang Poems for Tracing and Practice
$16.00
Precision Transcription Service for David Tao's 'Small Town Girl' Saxophone Arrangement by Mr. Chui, Three-Piece Set
$10.00
CANDLE.LAB | Small Wax Melting Pot 180ml with Stainless Steel Measuring Spoon for DIY Scented Candles 26
$16.00
Chengdu University City Laboratory Exhaust Piping and High-Purity Gas Pipeline Engineering - Consultation Welcome
$33,610.00
Premium Factory Supply Decorative Chains - Pendant Light Chains, Advertising Sign Hanging Chains, Anti-Static Iron Chains, Small Iron Links
$61.15
![[Damai Holds Micro-Needle Hair Transplant Patent] Precision Eyebrow Transplant – Custom Aesthetic Design](https://www.gosteppe.com/cache/small/product/269162/legacy-main-c1f4dd8da327a142f48d9814.webp)
[Damai Holds Micro-Needle Hair Transplant Patent] Precision Eyebrow Transplant – Custom Aesthetic Design
$12,797.60
Commercial Dumpling & Bun Filling Machine – Automatic Stainless Steel Vegetable Chopper
$4,400.00
HVAC Fan VFD Control Cabinet with Power Frequency to Variable Frequency Conversion
$1,238.00
Export Quality Original Bathroom Paint Pens, Yellow and Green (2-Pack), Draw on Tiles and Glass
$4.93
Imported Automotive Transmission Differential Bearing B39-4 580704A
$338.00
Fully Automatic Carbon Steel and Stainless Steel Filter, Self-Cleaning Vertical Filter, Automatic Blowdown Filter
$37,500.00
Sheepskin Rattle for Babies 0-3 Years - Chewable Intangible Cultural Heritage Handmade Toy with Solid Wood and Brass Shaker Stick, Newborn Gift Box
$12.78
Swiss ITI Dental Implant / Korean Imported Dentium Implant Package with Crown - Shanghai Hospital
$3,980.00
Yandi Retainer Storage Case - Double-Layer Drain & Soak Box for Invisible Aligners and Orthodontic Cleaning
$30.50
Leaf-Shaped Template Stamp for Kids - Transparent Silicone DIY Mold with Sponge for Maple Leaf Rubbing and Painting
$4.93
High-Speed Internal Clamping Double Diaphragm Coupling High Torque Servo Motor Leadscrew Module Elastic Coupler
$367.30
Eye-Care Journaling Highlighters for Students - Colorful Markers for Note-Taking and Key Points
$3.02
Natural Stone Abacus Beads with Large Holes 5*10mm White Crystal Rose Crystal Flat Beads Jewelry Accessories Semi-Precious Stones
$1.50
Heavy-Duty Lifting Chain with Shackles at Both Ends - Manganese Steel Hoist for Pipes, Rebar, and Stones
$72.00
Industrial Large Roll Oil-Absorbent Paper, Jumbo Lint-Free Wiping Rolls, Cleaning Paper, Wholesale Industrial Jumbo Rolls
$150.00
