Headphone Amplifiers Rolls

The Rolls PM351 is a personal monitoring device with a 1/4" TRS stereo/mono line input, a single XLR microphone input and hard-wired XLR pass-through, and a 1/4" stereo/mono instrument input with two transformer-balanced and isolated XLR outputs. All three of these inputs are also routed via individual Level controls, to a 1/4" and an 1/8" (3.5mm) Phone Output. The Mic Through, and Instrument outputs have jumpered Ground Lifts for elimination of ground hum. The PM351 is ideal for live bands and church musicians, as well as studio musicians and singers. Having the ability to monitor a main mix along with the musician’s voice and their instrument make the PM351 an effective and versatile …

Rolls' RA63b is an 8-channel mono, or four channel stereo distribution amplifier designed for the contractor/install market. The outputs are designed to drive high-level balanced lines in a sound distribution system. The screw terminals on the rear panel are for input and output, and each output may power more than one line.Rolls RA63B Features:Mono or Stereo Operation - mono input to eight outputs, or stereo inputs to four stereo outputs+20 dB Gain switchScrew Terminal inputs and outputsThe RA63b replaces the old RA63s. The new ra63b has all the same features, but has an easy access stereo mono switch.Rolls RA63B Specifications:Input Impedance: 100 K Ohms balancedMax Input Level: +22 dBVI/O …

The Rolls RA62c is a six-channel headphone/earphone amplifier for professional audio monitoring. A variety of input options are available including 1/4", RCA, and balanced XLR. Since the MONO/STEREO switch is after the pan control, it will mix two mono signals and their balance can be adjusted with the pan control. With the addition of rear panel Direct Input connectors, each channel may mix a second stereo signal.Rolls RA62c Features:Six Channels of clean, quiet headphone/earphone amplificationIndividual Direct Inputs to mix separate stereo signal with Main Input signals1/4" and 3.5mm Headphone/Earphone OutputsLED Clip indicationStereo/Mono operationRolls RA62c Specifications:Input Impedance: …

An 8-channel mono, or 4-channel stereo distribution amplifier, the RA163 is designed especially for the contractor/install market. The unit's outputs are engineered to drive high-level balanced lines in a sound distribution system. The rear panel features XLR jacks that are used for input and output, and each output may power more than one line.FeaturesMono or stereo operationMono input to 8 outs, or stereo inputs to 4 stereo outsGain switchAll XLR I/O (input/output)Max output level: +24 dBSpecificationsInput Impedance: 100 kΩ, balancedMax Input Level: +24 dBVI/O Connectors: XLROutput Impedance: 50 Ω, balancedMax Output Level: +24 dBMax Gain: 20 dBS/N Ratio: >90 dBFrequency Response: …

The Rolls RA102 is a 10-channel headphone amplifier that can be ganged together for as many channels as desired. A variety of input options are available including RCA and balanced XLR separate right and left. It features 1/8" stereo outputs on the front and 1/4" outputs on the rear for installations all in a 1U space.Rolls RA102 Features:1U Chassis to maximize your rack spaceStrain releif for AC adapterBoth balanced XLR and unbalanced RCA inputsSuitable for very wide range of headphonesJoin in and join out jacks for expanding to all the channels you wantRolls RA102 Specifications:Input Impedance: 10 kOhms unbalancedMax Input Level: + 18 dBVInput Connectors: RCA, R and L balanced XLROutputs:10: …

The Rolls HA243 is a high powered headphone amplifier with four 1/4” and 1/8” (3.5mm) headphone outs. The HA243 features an A-B switch for each channel to monitor either the A or B input with the flick of a switch.Rolls HA243 Features:Four 1/4" & 1/8" TRS Headphone outputs with level controlPlenty of headroom thanks to the JRC3414 ICsSwitchable Mono or Stereo for both A and B inputsRolls HA243 Specifications:Input Impedance: 10 kOhmsMaximum Input Level: +26 dBVMax Gain: 20 dB per channelOutput Power: 326 mW per side, 652 mW per channel (@ 62 Ohms)S/N Ratio: 92 dBTHD:< 0.008%Power: 15 VDC (Adapter included)Size: 6.75" x 1.75" x 4.75"Weight: 1.65 lbs Rolls HA243 4-Channel Studiophile Headphone Amplifier.…

The HA204p is a full frequency response, four channel headphone monitoring device designed for the recording studio or other professional applications. Each output boasts a whopping 20 dB of clean channel gain.Features:Stereo 1/8" and Dual RCA InputsRotary Volume controlsAC adapter included15-35k Hz frequency responseLots of output level.... it’s loud!9V battery OperatedSpecifications:Input Impedance: 47k OhmsMax Input Level: +13 dBV adapter, +8 dBV BatteryInput Connectors: TRS Stereo 1/8", Dual RCAOutputs: 4 - TRS Stereo 1/8" (3.5mm)Output Impedance: 10 Ohms each outputMax Gain: 20 dB/ChannelS/N Ratio: >90 dBTHD:< .008%IMD (SMPTE):< .008%Nominal Current Draw: 30 Mills Min./ 400 Mills Max.Expected Battery Life: 8 Hours Continuos useFrequency Response: 15-35K Hz.Recommended Headphone Impedance: 16 to 500 Ohms.Power: 15 VDC (Rolls Model PS27s)Weight: .85 lbSize: 4.5" x 1.125" x 4.5" Rolls HA204P 4-Channel Portable Headphone Amplifier.&hellip;

If you mix, master, or simply love audio, you need the Rolls HA543 headphone amplifier. When you mix you want to hear what's really there. No coloration, enhanced bass, or "air" added to the audio, just the audio. And sometimes, you want to sit back and get lost in the presentation. More dominant vocals, open, splashy cymbals, and more powerful, articulated bass. The HA543 gives you both with the flick of a switch. In standard mode, the amp puts out what you put in, a flat, unaltered reproduction of the input source. When you hit the Enhance switch, internal coloration circuits are activated to process the input signal and make it sparkle. The HA543 makes good headphones sound great, and great …

The Bellari HA540 MK2 is s a lush sounding 12AX7 pure Class A tube headphone amp running 150 regulated volts to the tube plates. With plenty of gain, the HA540 MK2 is uniquely capable of driving headphones rated from 8-2000 Ohms.