- ● Frequency characteristic: 10-100kHz (analog section) / ● corresponding impedance: 8Ω-600Ω / ● maximum output: balanced connections (about 320mW + 320mW, 32Ω, 1% distortion) ● normal connection (about 100mW + 100mW, 32Ω, 1% distortion)
- ● audio output terminal: headphone jacks (balanced standard), headphone jack (stereo mini) / ● audio input terminal: Digital (USB microB, USB Type A) DC in (USB microB) / ● corresponding sampling frequency / number of bits: up to 192kHz /32bit,DSD2.8MHz, 5.6MHz (5.6MHz is Winodws only)
- ● Power: DC3.7V: Built-in rechargeable lithium-ion battery / ● Battery life: about 5 hours (at the time of the digital / balance connection) / ● Charging time: about 8 hours (when the computer is used), about 5 hours (AC-UD20 is used)
- ● Dimensions: (dimension that does not contain a maximum protrusion) about 80 × 23 × 133, about 80 × 24 × 133.5 (maximum external dimensions) / ● Weight: about 290g
- Accessories: ● Walkman (R) for digital cable, ● digital cable for the Xperia, ● micro USB cable, ● silicon band, ● sheet, ● Japanese manual
Product Description ★ Adopt a headphone balance terminal of Φ4.4mm. Portable headphone amplifier to enjoy the high quality of the balance connected easily ◆ Corresponding to Φ4.4mm balance connection ● It is a JEITA unified standard φ4.4 balance standard plug of adopting the headphone balance terminal. L / R positive phase each of the channel (+), reverse phase (-) improve the separation keeps the ground by configuring to clean in two amplifiers with an output of. S / N improvement by reducing the effect of power source line noise by to achieve a sense of localization and sharpness. ◆ USB audio support (PCM: up to 192kHz / 32bit, DSD: 2.8MHz, 5.6MHz) ● When the USB audio connection adopts the asynchronous transmission mode (Asynchronous), PCM: up to 192kHz / 32bit, DSD: corresponding to 2.8MHz / 5.6MHz. USB Audio IC and DAC, each has its own clock, achieve a high-quality sound by maximizing eliminate the influence of the jitter of the clock on the transmission side. To reproduce the very best the power of high-quality content. ◆ High quality DAC (ES9018K2M), high-quality headphone amplifier (TPA6120) equipped ● The DA converter, adopted ES9018K2M from the point of view of the S / N and anti-jitter performance. In addition, the voltage amplification part, has adopted a high-quality LME49860 of low noise and low distortion. And, like the output stage equipped with double the TPA6120 of current feedback type high slew rate amplifier IC, corresponding to more of the high-quality sound by adopting a semiconductor device that has top priority to quality. Furthermore, by OCL output stage in accordance with the positive and negative 2 power supply system, it is possible to drive the headphones to the high quality and powerful.
Specifications of SONY Portable headphone amplifier PHA-2A
- Brand SONY
- SKU 247475033_SGAMZ-383123127
- Model pha-2a
Official delivery unit
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