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User Manual for Rolls MA258 Headphone Audio Amplifier Click to enlarge the picture
Contents of the user manual for the Rolls MA258 Headphone Audio Amplifier
- Product category: Headphone Amplifiers Rolls
- Brand: Rolls
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Rolls Headphone Amplifiers
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User manual for the Rolls MA258 Headphone Audio Amplifier contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Rolls product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Rolls user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Rolls product will considerably shorten its lifespan!
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Product description The Rolls MA258 is a preamplifier, an amplifier, and a headphone amplifier designed for the discerning home listener. It can be used with conventional speakers, headphones, record players, and line input sources from your phone or media player. Providing 20W + 20W of power, the unit sports push terminals for your consumer speakers, as well as a headphone output for private listening. Three switchable channels are offered, which select among the 3.5mm input and the two sets of RCA inputs; one set of RCA inputs is specifically intended for vinyl record players. Volume, treble, and bass knobs are on hand to shape your sound. - Key Features at a Glance
- Audiophile preamp and amplifier
Built-in headphone amplifier
Low noise
Class-D high-efficiency amplifier UPC: 675889025804 In the Box Rolls MA258 Headphone Audio Amplifier Power Supply Limited 1-Year Warranty Table of Contents
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Technical parametersRolls MA258 Specs | I/O | 1 x 3.5 mm line input
2 x RCA inputs
2 x RCA phono inputs
4 x Push-terminal outputs for speaker wire
1 x 3.5 mm headphone output | | Line Input Impedance | 10 kOhms | | Power Output | 20 W + 20 W into 4 Ohms | | Voltage Gain | 30 dB, line | | Voltage | 24 VDC (maximum supply voltage) | | THD | 0.05%, typical | | EIN | 3 mV | | Efficiency | 85% | | Input Sensitivity | 28 mV | | Frequency Response ± 3dB | 20 Hz to 25 kHz | | Dimensions | 6.8 x 3.5 x 1.5" / 17.1 x 8.9 x 3.8 cm | | Weight | 1.6 lb / 0.7 kg | | | | Package Weight | 3.05 lb | | Box Dimensions (LxWxH) | 14.0 x 8.5 x 4.1" |
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