Audio Interface, Converter & Baluns
ROLLS Mini Mix 2 Channel Mixer, MX22S
$69.90
CH1 Max Gain: 32 dB
Power: 15 VDC 500 mA
CH2 Max Gain: 20 dB
CH1 Input Impedance: 10 Ohms
CHI Input Impedance: 20K Ohms
Output Impedance: 50 Ohms
1/8" and RCA line level signals
Dual RCA Stereo output
Individual controls for each channel
Size: 2.75" x 2.35" x 1.5" (7 x 6 x 3.8cm)
ROLLS Mini-Mic Preamp, MP13
$89.00
Small size
Works with dynamic, Phantom and Heaset mics
XLR and 3.5mm inputs
XLR and 1/4" outs
Works with 9 to 15 Vdc
Input Impedance: 10K Ohms balanced/unbalanced
Max Input Level: +4dBV XLR balanced, +10dBV unbalanced
Max Gain: XLR 60dB, 1/4" 54dB
Phase Shift: <10 deg. 20 Hz - 20 kHz
EIN: -108dB max.
THD: <.01%
IMD (SMPTE): < .01%
CMRR: >80 dB
Phantom Power: +24 Volts, 6 mA
Power: 12-15VDC
Size: 3.4" X 4.2" X 1.4"
ROLLS Hum Eliminator, HE18
$59.00
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
$149.00
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
$129.00
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
$99.00
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
$99.00
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
$59.00
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
$119.00
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