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You don′t have to settle for wimpy, muddy sound just because you′re on
the go. The AT-PHA100 Portable Headphone Amplifier is small (width and
length comparable to a smartphone) but packs a powerful punch.
Engineered using select audio components, and enclosed in all-aluminum
casing to protect the circuitry, the AT-PHA100 gives headphones a rich,
detailed boost throughout the sonic range with ultra-low distortion.
The AT-PHA100 is equipped with both analog and digital inputs (3.5 mm jack and USB micro-B, respectively) and 3.5 mm headphone jack. It also features a high/low gain switch, machined aluminum volume knob, and five-stage sampling indicator for digital input. The internal lithium polymer rechargeable battery lasts up to 14 hours when amplifying an analog signal, and up to 6 hours when amplifying a digital signal.
The amplifier comes with two rubber bands and a rubber mat for strapping the unit to a smartphone or other portable device, a 1.0 m USB cable (USB 2.0 to USB micro-B) and a 10 cm audio cable terminating in a 3.5 mm gold-plated stereo mini plug at each end.
|Specificatii||Raport Semnal/zgomot: 110 dB (A-weighted)
Raspuns in frecventa: 10 Hz − 100 kHz (-1 dB)
Greutate: About 240 g
Dimensiuni: Dimensions (excluding protrusions): 1.1 (27 mm) H × 3.0 (77 mm) W × 4.6 (116 mm) D
Alte caracteristici: Maximum Output Level: 100 mW + 100 mW (10% during 16 ohms, THD)
80 mW + 80 mW (10% during 32 ohms, THD)
10 mW + 10 mW (10% during 300 ohms, THD)
Total Harmonic Distortion: <=0.001% (32 ohms 10mW output)
Input Connector: Analog: 3.5 mm (1/8) gold-plated stereo mini jack
Digital: USB (micro-B)/asynchronous mode/
DSD128 (DoP), DSD64 (Native / DoP): 24 − 32 bit/
PCM 384kHz, 352.8kHz, 192kHz, 176.4kHz, 96kHz, 88.2kHz, 48kHz, 44.1kHz, 32kHz: 16 − 32 bit
Output Connector: 3.5 mm (1/8) gold-plated stereo mini jack
Charging Time: Up to 10 hours (DC5V, 500mA)
Battery Life: Digital about 6 hours (JEITA) / analog about 14 hours (JEITA)
Common spec for analog/digital without annotation
Fs=384 kHz, 32-bit for digital input