User manual
Shure Four-Person Headphone Monitoring Kit

User Manual for Shure Four-Person Headphone Monitoring Kit

• Product category: Headphones Shure
• Brand: Shure
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
• Authorized service for Shure Headphones

Product description

• 4 x Shure SRH240A Professional Around-Ear Stereo Headphones The SRH240A Professional Around-Ear Stereo Headphones from Shure provide high-quality audio in a lightweight and comfortable design. Large 40mm neodymium dynamic drivers provide clear, detailed sound with a wide frequency response while the closed-back earcup design helps to block out ambient noise.
  
  The enhanced design features thick around-ear cushions and an adjustable headband that provide long-lasting comfort, allowing you to listen for hours without fatigue. The OFC cable provides plenty of slack and has a standard 3.5mm plug and a 1/4" adapter for wide compatibility with consumer and professional audio gear.
  • The lightweight and durable construction withstands the rigors of day-to-day use
  • Large 40mm neodymium dynamic drivers provide high-quality sound with a wide frequency response so you experience deep bass, clear mids, and crisp treble
  • The closed-back earcup design helps to block out ambient noise so you can focus on your music instead of your environment
  • The re-engineered ergonomic design features thick around-ear cushions and an adjustable headband for long-lasting comfort
  • The impedance, power handling, and sensitivity are calibrated for optimum performance with a variety of sound sources
  • The cable has a straight design that provides plenty of slack, while the oxygen-free copper construction provides a clear signal path
  • The standard 3.5mm stereo mini plug and threaded 1/4" adapter provide wide compatibility with consumer and professional audio devices
  UPC: 042406229210
• Polsen HPA-4X2 4-Channel Stereo Reference Headphone Amplifier The HPA-4X2 4-Channel Stereo Reference Headphone Amplifier from Polsen features a durable and compact design and can be used for a variety of professional and project applications including studio recording and stage monitoring, or any application that requires multiple headphone connections. Features include a wide frequency response of 20 Hz to 20 kHz with low distortion at high volumes, and no signal loss when all 4 headphone outputs are used simultaneously. Each of its four channels allows for independent volume control. Thanks to its Link feature, you can daisy chain multiple HPA-4X2s together to cater to your needed headphone count.
  
  The unit features a 1/4" stereo TRS input, and stereo RCA inputs. It mono button allows for mono signal compatibility. For its headphone outputs, it features four 1/4" TRS connectors. To assure compatibility with a variety of headphones, Polsen includes four 1/8" to 1/4" adapters as well as a stereo mini cable that, when used with one of the included adapters, allows you to connect a device with a 1/8" output.
  • Durable, compact, and easy to use
  • High output level for precise monitoring at high volume
  • Low noise circuitry
  • 1/4" TRS and RCA inputs
  • Four headphone jacks each with independent volume control
  • Wide frequency response (20 Hz to 20 kHz) for full-range stereo sound
  • Stereo/mono switch provides options for monitoring playback
  • Link feature to daisy chain additional headphone amplifiers
  • No loss of signal when all four headphones are connected
  • Included stereo mini cable for connecting devices with 1/8" output (use included 1/4" adapter)
  UPC: 847628577695

• 4 x SRH240A Professional Around-Ear Stereo Headphones eeftxcfcwdaqsecssz
• 1/4" Adapter
• Limited 2-Year Warranty

• Polsen - HPA-4X2 4-Channel Stereo Reference Headphone Amplifier eeftxcfcwdaqsecssz

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Technical parameters

• 4 x Shure SRH240A Professional Around-Ear Stereo Headphones

  Driver Type	Dynamic
  Design	Over-Ear (Circumaural)
  Earcup Style	Closed-Back

  Frequency Response	20 Hz to 20 kHz
  Sensitivity	107 dB
  Impedance	38 Ohms
  Maximum Power Handling	500 mW

  Audio Connector	1/8" (3.5 mm) TRS
  Connector Plating	Nickel

  Cable Length	6.6' / m

  Weight	10.1 oz / 238 g

  Box Dimensions (LxWxH)	9.5 x 8.7 x 4.6"

• Polsen HPA-4X2 4-Channel Stereo Reference Headphone Amplifier

  Channels	4
  Input Connections	1x 1/4" (6.3 mm) TRS master input 1x L,R RCA
  Output Connectors	4x 1/4" (6.3 mm) TRS headphone outputs
  Maximum Input Level	+14 dBV
  Maximum Output Level	22 dB, per channel
  Input Impedance	1 kΩ
  Output Impedance	Minimum 10 Ω, per channel
  Signal to Noise Ratio	>98 dB
  THD	<0.007%
  Power	12 V DC, 150 mA
  Dimensions (L x W x D)	3.00 x 3.75 x 1.20" (76 x 95 x 30 mm)
  Weight	10.4 oz (295 g)

  Box Dimensions (LxWxH)	8.25 x 4.85 x 2.8"

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