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🎤 Elevate your sound game with zero noise, max gain, and total versatility!
The 2026 Upgraded RO03 Mic Preamp delivers professional-grade audio clarity with an ultra-low noise floor of -120dB EIN and a practical gain range of 19-66dB. Designed for dynamic, condenser, and ribbon microphones as well as instruments, it features a high-impedance 1MΩ input for distortion-free instrument recording. Equipped with balanced XLR and TRS outputs plus an unbalanced TS output, it supports diverse studio and live streaming setups. Powered via USB Type-C, it offers enhanced portability and compatibility, making it the perfect tool for millennial pros seeking premium sound on a budget.







| ASIN | B0B6NG9S4C |
| Antenna Location | Karaoke, Singing, Streaming |
| Audible Noise | 75 Decibels |
| Audio Sensitivity | 66 Decibels |
| Best Sellers Rank | 35,677 in Musical Instruments & DJ ( See Top 100 in Musical Instruments & DJ ) 52 in Preamps |
| Box Contents | 1 * Power Adapter, 1 * Power Cord, 1 * RO03 Mic Preamp, 1 * User Manual |
| Brand | Rodyweil |
| Brand Name | Rodyweil |
| Colour | Black,Transparent |
| Compatible Devices | Amplifier |
| Connectivity Technology | XLR |
| Connectivity technology | XLR |
| Connector Type | XLR |
| Connector type | XLR |
| Customer Reviews | 4.2 out of 5 stars 125 Reviews |
| Enclosure Material | Metal |
| Frequency Range | 20Hz 20kHz |
| Frequency Response | 20 KHz |
| Impedance | 1000000 Ohms |
| Item Dimensions | 9 x 10 x 11 centimetres |
| Item Weight | 400 Grams |
| Manufacturer | Rodyweil |
| Manufacturer Part Number | RO03 |
| Microphone Form Factor | Handheld |
| Model Name | RO03 |
| Model Number | RO03 |
| Model name | RO03 |
| Number of Channels | 1 |
| Number of Items | 1 |
| Polar Pattern | Unidirectional |
| Power Source | Corded Electric |
| Recommended uses for product | Karaoke, Singing, Streaming |
| Signal-to-Noise Ratio | 120 dB |
| Special Feature | 3 output simultaneous usable, EIN‑120dBV, extremely low noise‑floor, Variable gain: 19~66db, with +4dbU & -10dbV output |
| Special feature | 3 output simultaneous usable, EIN‑120dBV, extremely low noise‑floor, Variable gain: 19~66db, with +4dbU & -10dbV output Special feature 3 output simultaneous usable, EIN‑120dBV, extremely low noise‑floor, Variable gain: 19~66db, with +4dbU & -10dbV output See more |
| UPC | 616859152007 |
| Unit Count | 1.0 count |
M**E
A simple device that does it's job well!
As my headline suggests, there is not a lot to be said about a device as simple as this. Is your microphone output too low? Simply plug this in, connect your microphone to it and connect this to whatever you are using and "pump up the volume!" :) Also if your mic needs "Phantom power" it can provide it. Nuff said!
V**A
Perfect operation. No noise complaints
Got this product with a little concern from other reviews on some “noise”. I used this for a church audio system. I needed phantom power and also some amplification. The usb power supply is perfect. This device so far has worked with no issues at all. The line amp works really well. We ended up buying 2 in total and so far happy with the purchase
P**C
Noisy
Behringer : l’innovation audio accessible à tous Depuis des années, Behringer s’est imposé comme un acteur incontournable dans l’univers du son. La marque a bâti sa réputation sur un principe simple : offrir des produits audio performants, robustes et abordables, capables de satisfaire aussi bien les musiciens débutants que les professionnels exigeants. Une qualité sonore maîtrisée Les équipements Behringer — tables de mixage, interfaces audio, enceintes, micros ou processeurs d’effets — sont conçus pour délivrer un son clair, précis et équilibré. - Les préamplis offrent un signal propre et dynamique. - Les convertisseurs numériques assurent une restitution fidèle. - Les effets intégrés sont réputés pour leur polyvalence et leur musicalité. Cette constance permet aux utilisateurs de travailler, enregistrer ou jouer en live avec une fiabilité remarquable. Une conception robuste et durable Behringer mise sur des matériaux solides et une construction pensée pour résister à l’usage intensif. Les boutons, faders et connectiques sont renforcés, et les boîtiers sont conçus pour supporter les déplacements fréquents. On sent que chaque produit est pensé pour durer, même dans un environnement professionnel. Une marque tournée vers l’innovation Behringer se distingue par sa capacité à intégrer des technologies avancées tout en maintenant des prix accessibles. On retrouve souvent : - Des fonctionnalités inspirées de modèles haut de gamme - Des mises à jour régulières - Une compatibilité étendue avec les logiciels et équipements modernes Cette approche permet à un large public d’accéder à des outils performants sans compromis. Un rapport qualité‑prix difficile à battre C’est l’un des points forts de Behringer : proposer des produits fiables, complets et efficaces à des tarifs très compétitifs. Que ce soit pour un home‑studio, un setup live ou une installation audio, la marque offre une solution adaptée à chaque besoin.
T**L
Awesome product!!!
Fantastic product! Works great and super easy to use. Just a no frills preamp with a nice and low noise floor, my signal always sounds great. I do think it works best with microphones though, for instruments, I like more coloration from less transparent preamps.
A**L
High Value for Low $
Unbelievably high quality for mere pennies. Not all manufacturers are shysters.
P**1
it's a solid microphone amp
I bought this To amplify my Sennheiser Microphones which I use with Dragon NaturallySpeaking for speech recognition. It is very solidly built and provides clean amplification. I changed out the power supply for third-party power supplies that I use with all of my audio equipment to make sure that there's no noise. The sound is very clear which is necessary for speech recognition. However, it does not provide any additional warmth like the ART preamps that I use for voice recording but it's about one third the price of those units. while the sound is a little dry, it doesn't sound unnatural on my zoom calls. I can't comment on singing are instrumental application since I don't do that.
Trustpilot
2 months ago
3 days ago