Shure SHA900-US Portable Listening Amplifier for Headphones and Earphones

Portable listening amplifier offers enhanced audio control with DAC conversion for use in-line between digital audio sources and headphones. Features include 4-band parametric EQ and the ability to process both digital and analog audio sources.

Features:

• 4-band Parametric EQ features five preset settings and four customizable settings to maximize audio playback fidelity.
• Enhanced Audio Control provides additional user-friendly options to maximize audio playback fidelity
• Streamlined controls for quick and simple navigation throughout the SHA900 settings
• Multiple output gain structures optimized for both headphones and earphones
• Integrated USB rechargeable battery can conveniently charge from provided wall charger or computer, even when streaming USB audio from computer
• Compatible with Mac, PC, iOS and Android devices via included accessory assortment, featuring Micro-B to Lightning™ and
• Micro-B OTG cables
• Premium Shure fit and finish and construction featuring an elegantly machined aluminum housing, manufactured to exacting Shure quality standards

Specifications:

• Technical:
  • Bit Depth: 16-bit / 24-bit
  • Sampling Rate: 44.1 / 48 / 88.2 / 96 kHz
  • Frequency Response: 10 Hz to 50 kHz
  • Signal-to-Noise Ratio: up to 107 dB (A-weighted)
  • Adjustable Gain Range: -60 dB to +17 dB
  • THD+N: 0.05% (1 kHz)
  • Output Power:
    • up to 135 mW +135 mW (16 Ohm, 1% THD)
    • up to 95 mW +95 mW (42 Ohm, 1% THD)
  • Output Impedance: 0.35 Ohm
  • Headphone Impedance Range: 6 Ohm to 600 Ohm
  • Limiter: Selectable Analog RMS Limiter
  • Equalizer: 4-band Parametric
  • USB Input: USB Micro-B Receptacle
  • Line-In Input: 3.5 mm (1/8")
  • Headphone Output: 3.5 mm (1/8")
  • Charging Requirements: USB-powered; 5 V/0.5 A to 1 A
    • Housing: Chrome Plated Aluminum
  • Net Weight: 182.0 g (6.42 oz.)
  • Dimensions (H x W x D): 111 × 59 × 21 mm
• Battery Specifications:
  • Battery Type: Rechargeable Li-Ion
  • Nominal Voltage: 3.6V DC
• Battery Life:
  • Analog in (BYPASS EQ mode): up to 20 hours
  • USB Input (EQ mode): up to 10 hours
  • Battery Charging Temperature Range: 0 to 45 °C (32 to 113 °F)
  • Operating Temperature Range: -18 to 57 °C (0 to 135 °F)