The MPAMP4 compact headphones amplifier features a pass-through MIC/LINE input and a STEREO/MONO monitor input with individual level controls. It is very useful in recording studios or on stages when you need to mix and listen to two sound sources together. This headphones amplifier is designed for use with all types of in-ear or over-ear headphones and therefore offers maximum flexibility for personal monitoring. It is typically used to combine your voice or instrument with other members of the band during a live concert or to listen to pre-recorded tracks during recording, allowing for customized mixing of the monitor signal. The THRU connection allows you to directly feed your voice or instrument to other live or recording equipment.   Input Section Connectors  1 x COMBO,  2x 1/4" JACK unbalanced Inputs 1x MIC/LINE 1x MONITOR (stereo/mono) Input Impedance 10 Kohm (LINE/MONITOR), 1 Kohm (MIC) Max Input Level +20 dBu (MONITOR), +10 dBu (LINE), -15 dBu (MIC) Output Section Connector  1x XLR-M, 1x 1/4" or 1/8" JACK stereo Outputs 1x MIC/LINE THRU, 1x HEADPHONES stereo Max output 32ohm 2x 100mW Max output 600ohm 2x 100mW Load Impedance min 16 ohm Max gain +8 dB (MONITOR), +14dB (LINE), +35dB (MIC) System Performance  Distortion (THD) 0.02 % Noise  < -98 dBu unweighted Frequency Response  20 Hz - 20 KHz (-3 dB) Power Supply Connector USB Type B AC/DC adapter input 100-240V~ (±10%) 50/60Hz AC/DC adapter output 5V--- 1A (5W) Supplied cable 1,2m USB Type A - Type B General  Controls MIC/LINE LEVEL, MONITOR LEVEL,MIC/LINE SELECTOR, GND LIFT Indicators Power ON Dimensions (W x H x D)  160 x 52 x 106 mm (6.30 x 2.05 x 4.17 ") Weight 0,52 Kg (main)0,08 Kg (adapter with cable)

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  The compact HPAMP4 Headphones Amplifier features a stereo input and four headphone outputs with individual level controls. It is very useful in small studios or stages when up to four people want to listen together. This 4-channel stereo headphone amplifier is designed for use with all types of headphones and therefore offers maximum flexibility. Its high-power stereo amplifiers with the low-noise 4580 OPAMP guarantee the highest sonic quality even at maximum volume. The input connections with 1/4” jack, mini-jack, RCA and mono/stereo switch together with output connections 1/4” jack and mini-jack allow the maximum flexibility without the need of special connection adapters.   Input Section Connectors  2x RCA, 1x 1/4" JACK stereo, 1x 1/8" JACK stereo Inputs 1x stereo Input Impedance 20 Kohm Max Input Level +20 dBu Output Section Connector  4x 1/4" JACK stereo or 1/8" JACK stereo Outputs 4x HEADPHONES stereo Max output 32ohm 2x 100mW (each channel) Max output 600ohm 2x 100mW (each channel) Load Impedance min 16 ohm per channel Max gain +20 dB (each channel) System Performance    Distortion (THD) 0.02 % Noise  < -98 dBu unweighted Frequency Response  20 Hz - 20 KHz (-3 dB) Power Supply Connector USB Type B AC/DC adapter input 100-240V~ (±10%) 50/60Hz AC/DC adapter output 5V--- 1A (5W) Supplied cable 1,2m USB Type A - Type B General    Controls 4x OUTPUT LEVEL, INPUT STEREO/MONO SWITCH Indicators Power ON Dimensions (W x H x D)  160 x 52 x 106 mm (6.30 x 2.05 x 4.17 ") Weight 0,50 Kg (main)0,08 Kg (adapter with cable)

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Headphone AMP HPAMP106 The 100 Series is a range of D.I. Boxes and Headphone Amps designed to complement audio systems in stage applications, recording studios and fixed installations. Hosted in a stylish extruded and stackable aluminum shell or in a sturdy metal chassis, the 100 Series products are meant to deliver sound quality, versatility and stage-proof reliability in a very affordable package. 6 independent high-power amp sections suitable for any type of headphones 4 selectable main stereo/mono inputs with ¼” JACK connectors (REAR panel) 6 stereo headphone outputs with individual level controls , input selector and ¼” JACK connectors (FRONT panel) 300mW max output level at 32 ohm (per channel) Built-in power supply with toroidal transformer and voltage selector 19” rack mountable metal chassis Technical specs: Input Section   Inputs 4 stereo Input Impedance 47 Kohm Max Input Level +25 dBu Connectors  2 x 1/4" jack unbalanced (each input) Output Section   Outputs 6 stereo Maximum output (2x) 193 mW @ 32 ohm (each) Load Impedance minimum 16 ohm per channel Max gain +13 dB each channel Connector  1/4" jack stereo (each output) System Performance    Distortion (THD) 0.02 % Noise  < -98 dBu unweighted Frequency Response  20 Hz - 20 KHz (-3 dB) General    Controls OUTPUT LEVEL, INPUT SELECTOR Indicators Power ON Power supply Selectable 100-120 VAC, 220-240 VAC, 50-60 Hz Dimensions (W x H x D)  480 x 44 x 210 mm Weight 3,9 Kg

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Headphone AMP HPAMP104 The 100 Series is a range of D.I. Boxes and Headphone Amps designed to complement audio systems in stage applications, recording studios and fixed installations. Hosted in a stylish extruded and stackable aluminum shell or in a sturdy metal chassis, the 100 Series products are meant to deliver sound quality, versatility and stage-proof reliability in a very affordable package. Very compact and portable package ¼” JACK + RCA stereo/mono input 4 x ¼” JACK stereo headphone outputs with individual level controls +22dB max output level (per channel) 10 ohm minimum output impedance  (per channel) Powered by DC adaptor (included) Technical specs: Input Section   Inputs 1 stereo Input Impedance 500 Kohm Max Input Level +15 dBu Connectors  1/4" jack stereo, 2 x RCA Output Section   Outputs 4 stereo Maximum output (2x) 45mW @ 100 ohm (each) Load Impedance minimum 16 ohm per channel Max gain +20 dB each channel Connector  1/4" jack stereo (each output) System Performance    Distortion (THD) 0.02 % Noise  < -98 dBu unweighted Frequency Response  20 Hz - 20 KHz (-3 dB) General    Controls OUTPUT LEVEL, INPUT STEREO/MONO Indicators Power ON Power supply 12-18 VDC (adapter included) Dimensions (W x H x D)  152 x 50 x 72 mm Weight 0,8 Kg

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