Audio Interface, Converter & Baluns

Items 1 to 36 of 52 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

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

$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

$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

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

$129.00
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

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 Live Mix 2 Channel Mic Mixer, MX34C

$129.00
Input Impedance: Mic - 600 Ohms or greater (XLR), Aux - 47K stereo (3.5mm) Output Impedance: 50 Ohms THD + Noise: .02% S/N Ratio: 110 dB Frequency Response: 20 Hz - 30 kHz (+0 / -1 dB) Max Output Level: + 14 dB Max Input Level: +20 dB Max Gain: +70 dB Batteries: 2 X 9V Alkaline Current Draw: 30 mA Phantom Power: +18 VDC Input Connectors: 2 Female XLR, 1/8" (3.5mm) Output connectors: 3.5mm Stereo Main Out, 3.5mm Headphone DC Power Jack: (5.5mm X 2.1mm Tip Negative) 9V Battery or AC adapter operation 2 Mic Inputs +18VDC Phantom Power 3.5mm Stereo Output 3.5mm Stereo Headphone Output Pan control on each channel Auxiliary 3.5mm Input 3.5mm mic in jack for headset or other mic Size: 6.3"w x 3.7"d x 1.4"h

ROLLS 4 Channel Stereo Mini Mixer, MX42

$69.00
Input Impedance: 10K to 47K Ohms Output Impedance: 2.5K to 10K Ohms Gain: -12 dB MAX 4 Stereo RCA inputs Passive, the unit requires no power. Dimensions: 3" x 2" x 1.42" (W x H x D)

ROLLS 2 Channel Phantom Power Adapter for Microphones, PB223

$79.00
Phantom voltage: 48V Connectors: 2: Male XLR, 2: Female XLR, 1: 5mm DC input jack Power Input 12 - 18 VCD (Rolls PS27) Current drain 40ma nominal one mic 15vdc Utilizes a switching regulator for stable voltage performance Power condenser microphones requiring phantom power Operates on the included Rolls PS27 12VDC adapter High frequency switching power supply to eliminate noise Size: 5.45" x 2.875" x 2.25"

ROLLS 8 Channel Mic/Line Mixer, RM82

$279.00
Input Impedance: Mic: 10K Ohms XLR balanced 1/4": 20K Ohms unbalanced Bus Input: 10K Ohms unbalanced Max Input Level: Mic: 0 dBV balanced Line: +6 dBV Input Connectors: 8: XLR, 8: 1/4" (Line), 1: RCA (Bus input) Outputs: XLR bal., RCA unbalanced Prefade out Max Gain: Mic: 55 dB Line: 26 dB Tone Control: 12 dB Treble/Bass cut Phantom Power: +48 VDC Output Level: +22 dBV max Output Impedance: 51 Ohms Phase Shift: <10 degrees, 20Hz to 20 kHz Max S/N ratio: 106 dB THD: <.009% CMRR: >80 dB (Mic) Eight XLR microphone inputs. Trim controls. Tone controls (treble/bass cut). Individually switchable +48 VDC phantom power. Eight 1/4" unbalanced inputs, each may be internally jumpered to become an Insert or a Direct Output. RCA Prefader (pre Master Vol.) Output for recording, monitoring or cascading. RCA Aux Buss Input for cascading, or as a ninth unbalanced input. Mic or Line output level. Size: 19" x 1.75" x 6" (48.3 x 4.5 x 15 cm)

ROLLS XLR Distribution Amp 8 Channel Mono/4 Channel Stereo, RA163

$189.00
Input Impedance: 100 K Ohms balanced Max Input Level: +24 dBV I/O Connectors: XLR Output Impedance: 50 Ohms balanced Max Output Level: +24 dB Max Gain: 20 dB S/N Ratio: >90 dB Frequency Response: 10 Hz - 40 kHz, +/- 1 dB THD: <.008% Power: 120 VAC 50-60 Hz, 15VA Mono or Stereo Operation - mono input to eight outputs, or stereo inputs to four stereo outputs. +20 dB Gain switch. All XLR jack inputs and outputs. Size: 19" x 1.75" x 6.5" (48 x 4.5 x 17 cm)

SHURE Digital Audio Interface (converts to USB), MVI-DIG

$99.00
5 DSP preset modes (speech, singing, flat, acoustic instrument, loud) for EQ, compression, and limiter settings  Touch panel provides control for gain, mute, and headphone volume Manual audio settings can be adjusted via iOS devices with Lightning Connector, using the ShurePlus MOTIV app JFET Class A buffered instrument preamplifier input for exceptional tone and clarity Combined XLR microphone and 6.3 mm instrument input Supplies phantom power for use with condenser microphones

ROLLS Pro Mix Plus 3 Channel Mic MIxer, MX54S

$149.00
Input Impedance: 600 Ohms Output Impedance: XLR 600 Ohms THD + Noise: .02% S/N Ratio: 84 dB Frequency Response: 25 Hz - 16 kHz (+0 / -3 dB) Max Output Level: + 14 dB Max Input Level: -14 dB Max Gain: +60 dB Low Cut: -3 dB @ 100 Hz Current Draw: 20 mA Phantom Power: +18 VDC Connectors: 3: Female XLR, 2: Male XLR, 1: 1/4" TRS, DC Power Jack Current drain 15ma nominal one mic 15vdc Mixes three microphones to stereo XLR outputs Output level controls for mic or line-level output Transformer isolated outputs Phantom Power and Low-Cut switches for each Mic input Battery and AC powered Handy shoulder strap mounts Switchable Low Cut filter (100 Hz high pass) for each channel Size: 5.3" x 3.7" x 2"

ROLLS 3 Channel Mic Mixer/Combiner, MX310

$119.00
Input Impedance: 600 Ohms Output Impedance: 600 Ohms Mic - 200 Ohms line THD Noise: .05% Typical Frequency Response: 20 Hz - 20 kHz ( 0 / -3 dB) Voltage Gain: 50 dB line/10 dB Mic Low Cut: -3 dB @ 100 Hz Current Draw: 20 mA Phantom Power: 15 VDC Maximum Supply Voltage: 16 VDC Size: 5.25" x 3.75" x 1.5"

ROLLS Phono Preamp, VP29

$59.90
Input Sensitivity: 42 dB gain 1kHz, 47k Ohms Input Capacitance: 120pf Sensitivity: 5mV for 635mV output Input Impedance: 47k Ohms Frequency Response: / - .5 dB 20 Hz - 20 kHz (Conforms to RIAA Equalization Curve) PWR: 9 - 15 VDC THD .01% @ 1 kHz S/N Ratio: >83 dB unweighted Output Impedance: 1K Ohms RIAA Equalization RCA inputs/outputs - 1/8 inch (3.5mm) TRS output. AC adapter included Size: 3.25" x 2" x 1.5"

ROLLS Professional 6 Channel Bluetooth Audio Mixer, RM169

$229.00
Input Impedance: Mic: 600 Ohms XLR balanced Source: 22K Ohms RCA Mic Insert: 22K Ohms 1/4" TRS insert Weight: 5 lbs. (2.3 kg) Size: 19" x 1.75" x 4" (48.3 x 4.5 x 10 cm) Max Gain: Mic: 60 dB Source: 26 dB Tone Controls: /-12 dB 100 Hz Bass, /-12 dB 11kHz Treble Noise Floor: - 80 dB, THD: <.025% Output Impedance: 51 Ohms Output Level: 17 dBV max Phantom Power: 15 VDC In/Out Connectors: 5: XLR, 5: Stereo RCA, 1: 1/4" TRS, 2: 3.5mm Headphone Output Impedance: > 8 Ohms Max Input Level: Mic: -14 dBV Mic level Source: 24 dBV Current drain 100ma 15vdc Two XLR Microphone Inputs (including a paralleled front panel input). Individually switchable phantom power. Four Stereo Source Inputs, Four RCA and one front panel stereo 3.5mm. 1/4" TRS Mic Insert jack. Stereo RCA and XLR Outputs. Headphone output on front panel with volume control. level control for Bluetooth input signal.

ROLLS Phantom Power Adapter for Microphones, PB23

$59.90
Phantom voltage: 48V Connectors: 1: Male XLR, 1: Female XLR, 1: 5mm DC input jack Power Input 12 - 18 VCD (Rolls PS27) Size: 3" x 2.5" x 1.25" Weight: 1lb (.68 Kg) Current drain 40ma nominal one mic 15vdc Powers a single microphone Utilizes a switching regulator for stable voltage performance

ROLLS 4 Channel Mini-Mix 2, MX51S

$74.99
Power: ROLLS PS27s adapter CH 1 Gain: 32 dB XLR jack (highest gain) Phantom Power: for CH 1 microphone XLR Ch2 Gain: 26 dB 1/8" and RCA Ch 3 and 4 Gain: 26 dB each RCA Output: 1/8" stereo and stereo RCA S/N Ratio: >90 dB THD: <.008% IMD(SMPTE): <.008% Input Impedance: 10K Ohms unbalanced each jack For mixing a microphone XLR input with up to three RCA input signals XLR phantom power available. Four channels total Line / Headphone output level ROLLS PS27 AC adapter included Stereo RCA Line-Level Output Size: 3" x 5" x 1.25" (8 x 13 x 3.2 cm)

PHILMORE Ground Loop Isolator, 64-4005

$12.90
Isolates the ground between amplifier and radio Eliminates the ground path which can cause alternator white and ignition

MANHATTAN USB 2.0 to 5.1 Sound Adapter, 150859

$11.99
Improves audio access and performance Instantly creates mic-in / audio-out connectivity through any USB port - ideal for desktop, notebook and netbook PCs Improves access, bypasses faulty sound card or audio ports and upgrades audio performance Supports 3-D and virtual 5.1 surround sound and includes preset sound effects with 10-band equalizer

HOSA Tracklink MIDI to USB Interface, USM-422

$39.90
Use your existing software to record and edit your performance data If you use multiple MIDI devices, simply assign each device its own MIDI channel using your software The TRACKLINK MIDI to USB Interface supports up to 16 MIDI channels with no software driver required Connectors: MIDI I/O to USB Type A

RDL Hum Killer Audio Isolation Transformer, AV-HK1X

$136.57
XLR input and output Ground Isolation in Balanced Line Line-Level Ground-Loop Elimination Balanced Mono Galvanic Isolation Isolation in Rugged Field Case Portable or Permanent Isolation Module Input:+4 dBu nominal Output:+4 dBu nominal

RDL Hum Killer Stereo Audio Isolation Transformer, AV-HK1

$125.53
Dual RCA inputs and outputs Ground Isolation in Unbalanced Line Ground-Loop Elimination Unbalanced Stereo Galvanic Isolation Isolation in Rugged Field Case Portable or Permanent Isolation Module Inputs (2):-10 dBV nominal, 10 kO Outputs (2):-10 dBV nominal, 10 kO

ATLAS Impedance Matching 6-way Speaker Switch, AST-6A

$146.99
Automatic impedance-matching and on/off push-button control Dual-Amplified Source Switching Capability Control of four or six speaker pairs in multi-room or surround sound applications Compact, low-depth size is perfect for shelf or rack mounting

SWITCHCRAFT 1/8" Stereo Jack to Balanced Mono 2-pin XLR with Volume Control, 318

$79.90
1/8" Stereo Jack to Balanced Mono 3-Pin Male XLR with Volume Control and Ground Lift Switch (MIC Level Output)

VANCO Toslink/Digital Coax to Toslink/Digital Coax Audio Converter with Dual Outputs:, 280565

$29.90
Converts Coaxial digital audio signals to Toslink digital audio signals; Converts Toslink digital audio signals to Coaxial digital audio signals Switch between either Coaxial or Toslink source to output both Coaxial and Toslink formats Accepts stereo or surround (up to 5.1ch) audio signals via Coaxial or Optical Built in signal enhancement that repeats digital audio signals to extend up to double the transmission distance Supports sampling rate at 32, 44.1, 48, 96, and 192KHz Power Supply: 5V DC Dimensions: 2.24” W x .96” H x 2.18” D

VANCO Digital Audio over Single Cat5e/Cat6 Cable Extender, 280531

$129.00
Application: Allows digital signals to be transmitted using a single Cat5e or Cat6 cable Transmission Range: Up to 330 ft (100 meters) Accepts Digital Coax or Optical Toslink Supports Digital 5.1 (DTS- Dolby Digital- etc.) High performance- zero signal loss Data Transmission Rate: 12.8 Mb/s S/PDIF (Digital Coax): 96 kHz performance Power Supply:  12V DC- transmitter side Dimensions: 2.75” W x 1.25” H x 2.5” D