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SM Pro Audio Q-AMP 4-Channel Stereo Headphone Amplifier

SM Pro Audio Q-AMP 4-Channel Stereo Headphone Amplifier

SM Pro Audio Q-AMP 4-Channel Stereo Headphone Amplifier

B&H # SMPQAMP1 MFR # Q-AMP
SM Pro Audio Q-AMP 4-Channel Stereo Headphone Amplifier

SM Pro Audio Q-AMP 4-Channel Stereo Headphone Amplifier Back View

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Product Highlights

  • Compact Aluminum Chassis
  • E-Series Circuit
  • 1/4" Inputs
  • 1/4" and 3.5mm Outputs
  • Individual Volume Controls
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Overview
  • 1Description

The Q-AMP 4-Channel Stereo Headphone Amplifier from SM Pro Audio is a compact and durable headphone amplifier that allows up to 4 users to listen to the same audio sources. The amp has a durable extruded aluminum chassis that stands up to the demands of professional use. Inside, there are 4 individual amplifier circuits, each of which has SM Pro Audio's "E-Series" design and components to offer terrific audio quality and clarity with a wide frequency response and low distortion.

The rear panel has 2 stereo inputs, each with a pair of 1/4" connectors for separate left/right channel input. The front panel has 1/4" and 3.5mm headphone jacks for each channel to support a variety of different kind of headphones. Each output channel has a selector switch to alternate between the 2 input signals. Each channel also has its own volume control so users can set their preferred level without affecting others.

Note: This item can be rack-mounted with the Q-Rack adapter, available separately.

The durable extruded aluminum chassis stands up to the demands of professional use
There are 4 individual amplifier circuits, each of which has SM Pro Audio's "E-Series" design and components to offer terrific audio quality and clarity with a wide frequency response and low distortion
The rear panel has 2 stereo inputs, each with a pair of 1/4" connectors for separate left/right channel input
The front panel has 1/4" and 3.5mm headphone jacks for each channel to support a variety of different kind of headphones
Each output channel has its own input selector switch and volume control so listeners can choose either audio source at their preferred volume level
In the Box
SM Pro Audio Q-AMP 4-Channel Stereo Headphone Amplifier
  • Power Adapter
  • 1-Year Limited Warranty
  • Table of Contents
    • 1Description
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    Specifications
    # Of Channels Input: 2
    Output: 4
    Frequency Response 20 Hz - 20 kHz (0 dB ~ -2 dB)
    Distortion 0.02%
    Signal to Noise Ratio > 80 dB
    Crosstalk Rejection Typically @ 1 kHz > 72 dB (-20 dB input)
    Gain Range 40 dB
    Controls and Indicators 4 x Channel selector switches
    4 x Volume knobs
    1 x Power LED
    Connectors 2 x Stereo 1/4" TRS inputs, unbalanced (2 jacks each, L/R)
    4 x Stereo 1/4" headphone jacks
    4 x Stereo 3.5mm headphone jacks
    1 x DC power input
    Input Level +25 dB
    Input Impedance 47k ohms
    Output Level 300 mW @ 32 ohms (max 1 W @ 32 ohms)
    Output Impedance 22 ohms
    Output Gain +20 dB
    Construction Extruded aluminum
    Dimensions (HxWxD) 1.75 x 19 x 8.5" (45 x 483 x 217 mm)
    Weight Approx 2.2 lbs (1 kg)
    Packaging Info
    Package Weight 2.3 lb
    Box Dimensions (LxWxH) 8.9 x 8.5 x 3.4"

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