--- product_id: 3502894 title: "Rolls MB15b Promatch 2-Way Stereo Converter" brand: "rolls" price: "€ 219.39" currency: EUR in_stock: true category: "Rolls" url: https://www.desertcart.hr/products/3502894-rolls-mb15b-promatch-2-way-stereo-converter store_origin: HR region: Croatia --- # Stereo RCA to balanced XLR conversion Ultra-low noise floor (-88 dB) Independent stereo level controls Rolls MB15b Promatch 2-Way Stereo Converter **Brand:** rolls **Price:** € 219.39 **Availability:** βœ… In Stock ## Summary > 🎧 Unlock Pro-Level Audio Power & Control β€” Don’t Let Your Amp Underperform! ## Quick Answers - **What is this?** Rolls MB15b Promatch 2-Way Stereo Converter by rolls - **How much does it cost?** € 219.39 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/3502894-rolls-mb15b-promatch-2-way-stereo-converter) ## Best For - rolls enthusiasts ## Why This Product - Trusted rolls brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Compact & Durable Design:** Stainless steel chassis fits discreetly into any professional or home studio environment, built to last. - β€’ **Noise-Free Sound Integrity:** Experience pristine audio with an ultra-low noise floor of -88 dB and minimal distortion (0.003%). - β€’ **Precision Stereo Level Control:** Fine-tune each channel independently for perfect audio balance and clarity in any setup. - β€’ **Seamless Pro-Consumer Audio Bridge:** Effortlessly converts stereo RCA signals to professional balanced XLR outputs, unlocking true amplifier power. - β€’ **Versatile Headphone to Line Level Adapter:** Includes 1/8” headphone input conversion for flexible connectivity across devices. ## Overview The Rolls MB15b Promatch 2-Way Stereo Converter is a compact, stainless steel device that converts consumer stereo RCA signals to balanced professional XLR line levels and vice versa. Featuring independent stereo level controls, ultra-low noise floor (-88 dB), and minimal distortion (0.003%), it ensures pristine sound quality while bridging home audio gear with pro amplifiers. Ideal for audiophiles and professionals seeking to maximize amplifier output and maintain flawless audio integrity. ## Description The MB15 Pro match converts consumer level stereo RCA signals to balanced XLR professional line level, and back. One side of the unit, labeled 1, has two XLR inputs and stereo RCA outputs. The other side labeled 2, has stereo RCA inputs and two XLR outputs. Each side has stereo level controls, and an LED indicates that power is applied to the unit. An additional benefit of the MB15 is that it will act as a Balanced XLR line level control. By adding a stereo pair jumper between the four RCA jacks (connecting ins to outs), The two level controls may be inserted into any balanced XLR line.Specifications: Max out: balanced: +18 dB, unbalanced: +12 db*max in: balanced: +22 dB, unbalanced: +22 db*input impedance: RCA: 100K ohm, XLR: 10 K Ohm, 1/8 stereo: 10K output Impedance: RCA: 100 Ohm, XLR: 100 Ohm balanced*noise floor: -88 db*gain: +4 dB In: -8 dB, -10 dB In: + 20 db*thd: .003%*Power: 12 VDC adapter (center negative)*size: 4.15 x 2.46 x 1.55 Weight: 1 lbs. (.45 kg). ## Features - Stereo RCA to Stereo XLR - Stereo level control for each channel - Works as stereo balanced line level control - 1/8” headphone level to line level adaptor ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0002IL4B4 | | Audio Output Mode | Stereo | | Best Sellers Rank | #18,583 in Musical Instruments ( See Top 100 in Musical Instruments ) #21 in Recording Signal Converters | | Brand Name | rolls | | Customer Reviews | 4.5 4.5 out of 5 stars (165) | | Global Trade Identification Number | 00675889001501 | | Included Components | Promatch 2way +4/-10 Converter | | Interface | RCA | | Item Dimensions L x W | 4.15"L x 2.5"W | | Item Type Name | ROLLS Promatch and More | | Item Weight | 1.1 pounds | | Manufacturer | Rolls | | Material Type | Stainless Steel | | Model | MB15B | | Number of Channels | 2 | | Number of Items | 1 | | Number of Pins | 4 | | Part Number | MB15B | | UPC | 675889001501 | | Unit Count | 1 Count | | Warranty Description | 2-Year Warranty | ## Product Details - **Brand:** rolls - **Interface Type:** RCA - **Number of Channels:** 2 - **Number of Pins:** 4 - **Product Dimensions:** 4.15"L x 2.5"W ## Images ![Rolls MB15b Promatch 2-Way Stereo Converter - Image 1](https://m.media-amazon.com/images/I/81uJb3EeniL.jpg) ![Rolls MB15b Promatch 2-Way Stereo Converter - Image 2](https://m.media-amazon.com/images/I/61UqKD-SgZL.jpg) ## Frequently Bought Together - Rolls MB15b Promatch 2-Way Stereo Converter - Monoprice 1.5ft Premium 2 RCA Plug/2 RCA Plug M/M 22AWG Cable - Black - DteeDck RCA Splitter 1 Female to 2 Male, 2 Pack - RCA Audio Video Cable Splitter Adapter, Dark Blue --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/3502894-rolls-mb15b-promatch-2-way-stereo-converter](https://www.desertcart.hr/products/3502894-rolls-mb15b-promatch-2-way-stereo-converter) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-08-14*