Audio Interface, Converter & Baluns

Items 1 to 10 of 55 total

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ROLLS Splitter/Combiner/Isolator, MS20C

$59.00
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

$49.00
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

$139.00
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

$119.00
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

$89.00
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

$89.00
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

$54.90
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

$99.00
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

$99.00
The CPB7 is completely passive, requires no power. Smart Phone cable included. Powder coated steel chassis.

ROLLS Bluetooth Audio Adapter, BD87

$119.00
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