Audio Interface, Converter & Baluns

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ROLLS Splitter/Combiner/Isolator, MS20C

Input Impedance: XLR: 600 Ohms, 1/8" (3.5mm): 10K Ohms Output Impedance: 600 Ohms Frequency Response: 35 Hz - 20 kHz Max Level: +26 dBm Dimensions: 3" x 2.25" x 1.2" Splits balanced XLR input, or 1/8" input to two balanced XLR Combines two balanced XLR signals to one XLR output. NOTE: Will only pass phantom power to one microphone. One signal is transformer isolated from the other. Ground Lift switch for noise elimination
New ROLLS Hum Eliminator

ROLLS Hum Eliminator, HE18

Frequency response: 20Hz to 70 kHz +/- .5dB Distortion: < 0.005% THD @ 1 khz Crosstalk: > -97 dB Max source impedance: 1 K Ohm Min load impedance: 10 K Ohm Eliminates ground loop hum and buzz. Leaves signal grounds connected. Passive, the unit requires no power. Converts balanced lines to unbalanced lines and vice-versa. Adjusts signal voltages to match difference in ground potential.

ROLLS 4 Channel Studiophile Headphone Amplifier, HA243

4: 1/4" TRS Headphone Outputs with Level Control. With the new JRC3414 I.C.'s it has plenty of gain!!! 1/4" , 3.5mm and RCA A and B Inputs. Switchable mono or stereo for both A and B inputs Input Impedance: 10 K Ohms Maximum Input Level: +26 dBV Max Gain: 20 dB per channel Output Power: 326 mW per side, 652 mW per channel (@ 62 Ohms) S/N Ratio: 92 dB THD: <.008% Power: 15 VDC (Adapter included) Size: 6.75 x 1.75 x 4.75"

ROLLS 4 Channel Headphone Amplifier - Battery Operated, HA204P

Stereo 1/8" and Dual RCA Inputs Rotary Volume controls AC adapter included 15-35k Hz frequency response Lots of output level.... it's loud! 9V battery Operated

ROLLS Passive Stereo Direct Interface, DB24

Completely passive uses no external power Stereo RCA, 1/8" (3.5mm), and dual 1/4 Inputs Balanced XLR Outputs Ground Lift for each channel Individual variable attenuators

ROLLS Podcast Pro Mic/Source Passive Mixer, DB227

Mixes one XLR microphone and a source signal to a single XLR microphone level output Passive unit does not require a power source so it can be used anywhere Switchable mixing for quick operation Single source level control for proper attenuation of the source inputs

ROLLS A/V Presenter Stereo Patch, DB14B

Splits Stereo RCA and stereo 1/8" (3.5mm) signals Individual Right and Left level controls Transformer balanced XLR mono output. Hum elimination/ground lift switch Max Input Level: +20 dB Max Output Level: +20dB RCA, 0 dB XLR Frequency Response: (Low Z) 50 Hz to 16 kHz

ROLLS 4 Channel Audio Distribution Amp, DA134

Expands the output of a stereo device to multiple outputs Can raise the output level to true line level for any output Stereo 4 channel distribution amplifier Front panel volume controls Mono or Stereo operation DC low end frequency for audiophile frequency response Small compact design Accepts inputs directly from I-pad / I-pod or laptop Included Rolls PS27s power supply. Stereo pass thru: For connection to another DA134

ROLLS Smartphone Breakout Box, CPB7

The CPB7 is completely passive, requires no power. Smart Phone cable included. Powder coated steel chassis.

ROLLS Bluetooth Audio Adapter, BD87

Professional bluetooth audio adapter Stereo RCA and 1/8” Outputs Mono XLR mic level output Powder coated steel chassis Max Trans. distance 20M/60FT (line of sight to front) Format support WAV/WMA/FLAC/APE/MP3 lossless stereo output Bluetooth Version 4.2