The Shure SHA900 Portable Listening Amplifier is designed for use with iOS and Android devices along with Mac and PC computers. Featuring an integrated digital-to-analogue and analogue-to-digital converter with 24-bit depth and 96kHz sampling rate the SHA900 delivers unprecedented signal integrity and high-resolution audio. The Shure SHA900 also offers a 4-band parametric EQ with five presets and four customisable settings. Equipped with a built-in rechargeable Li-ion battery with a life of up to 20 hours from a single charge the SHA900 amplifier is perfect for listening to your favourite audio on the go. Unprecedented Sound Quality The Shure SHA900 portable amplifier combines high-fidelity audio with the mobile demands of active lifestyles. Featuring multiple output gain structures and a linear frequency response the SHA900 is optimised for use with both headphones and earphones. Perfectly designed for audio enthusiasts the SHA900 offers a customisable 4-band parametric EQ with five standard and four user-defined settings which allow you to tailor the audio performance to your own personal preference. Versatile Connectivity The SHA900 has the ability to process digital audio via the micro-USB input and analog audio via the direct line input connector. The integrated USB digital-to-analogue converter (DAC) converts analog or digital audio from iOS and Android devices as well as Mac and Windows computers. Additionally the Shure SHA900 allows you to bypass the DAC entirely to produce a pure analog signal without any conversion. Features 4-band Parametric EQ features five preset settings and four customisable settings to maximise audio playback fidelity Preset settings include flat low boost vocal boost loudness de-ess Each user-defined setting features four customisable EQ points allowing detailed personal control shaping and tuning for different musical tone preferences Enhanced Audio Control provides additional user-friendly options to maximise audio playback fidelity Selectable digital or analog input signal processing; digital audio input via USB; analog signal path via standard 3.5mm (1/8″) “Line In” input/switch Bit depth for digital audio input signal processing: 16-bit or 24-bit. 24-bit/96kHz conforms to the High-Resolution Audio standards verified by the Japan Audio Society Input level meter for monitoring signal gain structure Multiple output gain structures optimised for both headphones and earphones Extremely low output impedance provides linear performance while minimising harmonic distortion for both high impedance headphones and highly sensitive earphones Streamlined controls for quick and simple navigation throughout the SHA900 settings 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 the supplied accessory assortment including Micro-B to Lightning and Micro-B OTG cables Premium Shure fit and finish and construction featuring an elegantly machined aluminium housing manufactured to exacting Shure quality standards Specifications Bit Depth: 16-Bit/24-Bit Sampling Rate: 44.1kHz/48kHz/88.2kHz/96kHz Frequency Response: 10Hz – 50Hz Signal-to-Noise Ratio: Up to 107dB A-Weighted Adjustable Gain Range: -60dB to +17dB THD+N: 0.05% (1kHz) Output Power: 135mW + 135mW @ 16 Ohms 95mW + 95mW @ 42 Ohms Output Impedance: 0.35 Ohms Headphone Impedance Range: 6 Ohms to 600 Ohms EQ: 4-Band Parametric USB Input: USB Micro-B Line Input: 3.5mm (1/8) Headphone Output: 3.5mm (1/8) Charging Requirements: USB-Powered 5V/0.5A to 1A Battery Type: Rechargeable Li-Ion Nominal Battery Voltage: 3.6V DC Battery Life: Analog Input: Up to 20 Hours (Bypass EQ Mode) USB Input Analog Input: Up to 10 Hours (EQ Mode) Housing: Chrome-Plated Aluminium Dimensions: 111mm x 59mm x 21mm (H x W x D) Weight: 182g