Shure SHA900 Portable Premium DAC Amplifier for headphones

The premium, standalone SHA900 Portable Listening Amplifier features a USB digital-to-analog-converter (DAC) that converts analog or digital audio from portable digital audio sources and computers. For use with high-quality headphones and earphones, the SHA900 features a 24 bit/ 96 kHz conversion rate, customizable 4-band parametric EQ with five standard and 4 user-defined settings, rechargeability and input level meters. The SHA900 can process both digital audio directly via micro-USB, analog via a direct line in, or bypass entirely for a pure analog signal without conversion. The SHA900 defines a new standard of portable listening that brings high-fidelity audio into the mobile demands of today’s active lifestyles. • 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 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 Adjustable Gain Range -60 dB to +17 dB THD+N 0.05% (1 kHz) Output Power Up to 135 mW +135 mW (16 Ω, 1% THD) Up to 95 mW +95 mW (42 Ω, 1% THD) Output Impedance 0.35 Ω Headphone Impedance Range 6 Ω to 600 Ω Limiter Selectable Analog RMS Limiter Equalizer 4-band Parametric USB Input USB Micro-B Receptacle Line-In Input 3.5 mm Headphone Output 3.5 mm Charging Requirements USB-powered: 5 V/0.5 A to 1 A Housing Chrome Plated Aluminum Net Weight 182.0 g Dimensions 111 × 59 × 21 mm H × W × D BATTERY SPECIFICATIONS Battery Type Rechargeable Li-Ion Nominal Voltage 3.6V DC Battery Life Analog in (BYPASS EQ mode): up to 10 hours USB Input (EQ mode): up to 7 hours Battery Charging Temperature Range 0 to 45 °C Operating Temperature Range -18 to 57 °C