This is a Rolls Corporation product owner's manual, which mainly introduces the product's use methods and maintenance methods
The Rolls PM50s is a personal monitor amplifier designed for performers to mix their microphone signal with a monitor signal via headphones. It features a pass-through XLR jack for connecting to a mixer, adjustable volume controls for both the microphone and monitor inputs, and switchable mono or stereo 1/4" monitor input jacks. The unit also includes 1/4" and 1/8" headphone outputs and a switchable ground lift to eliminate ground loops.
| Power Supply | 9 - 17 VAC/DC |
|---|---|
| Mic Input | XLR balanced jack |
| Monitor Input | 1/4" TRS stereo jack |
| Ground Lift | Switchable |
The warranty becomes invalid if the product is damaged by misuse, abuse, neglect, or improper electrical voltages.
Users should avoid 120 dB SPL, limit 115 dB SPL to 15 minutes, and 110 dB SPL to 1/2 hour.