HRT Microstreamer - What HiFi? 2013 Award Winner (temp no stock)

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Category 137 within Uncategorised.

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Best assessed as category 137 for the customer's actual room, source and budget.

Works well with

Amplifiers or receivers matched to the speaker load and room size.
Suitable speaker cable, wall brackets or stands where required.
Speakers with a suitable impedance and sensitivity match.
Streaming sources, TV audio, turntable or network player depending on inputs.

Check first

Confirm amplifier power, impedance and the listening distance.
Check placement, mounting and cable route before ordering.
Confirm speaker count, room size and source requirements.
Check HDMI, phono, subwoofer and multi-room needs before purchase.

Specialist-confirmed product: pricing and fit should be checked before ordering.

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Why it belongs here

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The HRT microStreamer is a compact, portable, USB-powered external sound card and headphone amplifier designed to dramatically improve the audio quality of your computer, tablet, or smartphone. Awarded What HiFi? 2013, it delivers jitter-free, high-resolution playback up to 24-bit/96kHz without the need for additional drivers. Key Features Ultra high-performance external sound card with USB connectivity and power High-quality headphone amplifier with analog volume control Fixed-level, low impedance 2.25V line output for home stereo or powered speakers Compact aluminium enclosure, precision-machined from solid billets Asynchronous USB operation eliminates timing errors (jitter) Plug and play with native Audio Class 1.0 drivers (PC, Mac & Linux) Supports sample rates of 32k, 44.1k, 48k, 88.2k & 96kHz Digitally controlled analog attenuator for pure, clean headphone volume control LED indicators display current sample rate and mute status Firmware upgrades via HRT UpStream utility Designed and manufactured in Southern California Specifications Input Connector: USB powered and connected Output Connectors: 1/8” (3.5 mm) stereo male plug (line level and headphone) Full Scale Output: 2.25 V RMS (line), 1.4 V (headphone) Output Impedance: 50 Ohm (line), 0.5 Ohm (headphone) Frequency Response (20 Hz–20 kHz): +0 dB / -0.4 dB Output Power: Up to 140 mW (headphone) Noise Floor (DC to 30 kHz): 18 µV RMS Signal-to-Noise Ratio (DC to 30 kHz): 102 dB Signal-to-Noise Ratio (A-weighted): 105 dB THD+N (1 kHz Full Scale): 0.002% (line), 0.008% (headphone) THD+N (1 kHz -20 dB): 0.0006% (line) Jitter Contribution (DC to 30 kHz): >130 dB below full scale Attenuator Range: Line fixed, 63 steps (headphone) Sample Rate: Up to 96 kHz Bit Depth: Up to 24 bit USB Transfer Protocol: Asynchronous Power Requirements (USB Bus): 150 mA Dimensions: 2.5" x 1.2" x 0.4" What's in the Box HRT microStreamer USB cable User manual

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