Sony PHA-2 Guida Specifiche
Easily connect to your PC or compatible digital music device via USB input
to enjoy Hi-Res audio playback with the PHA-2 portable DAC/headphone
amplifier. The PHA-2 samples PCM sources at 192kHz/24-bit and DSD
sources at 2.8/5.6MHz. The high fidelity DAC, op-amp and headphone
amplifier circuits ensure you hear every detail of your music.
Unlock hi-res audio on the go
The PHA-2 portable headphone amplifier allows you to enjoy a high-resolution audio experience
through your headphones. The PHA-2 can decode PCM audio sources at 192kHz/24-bit and DSD
audio sources at 2.8 MHz / 5.6 MHz formats.
Flexible connectivity
The PHA-2 is compatible with a wide array of digital devices. It has 3 USB inputs: standard A for iPod
®
/
iPhone
®
/iPad
®1
devices, mini-B for hi-res Walkman
®
and micro-B for PC or Mac
®
. The PHA-2 also offers
an analog input for connecting to most MP3 players, smartphones and other audio devices as well
as a line out for external amp or active speakers.
Jitter-free audio
The PHA-2 features an asynchronous USB 2.0 clock that supports highly accurate DA conversions.
The precision clock signal generator reduces timing inaccuracies when converting digital signals
into analog waveforms. This maintains sound stage integrity and audio response, resulting in superior
audio performance with minimal noise and distortion.
High-quality amplification circuits
The PCM1795 DAC samples PCM audio at 192 kHz/24 bit DSD audio at 2.8/5.6 MHz. The LME49860
operational amp delivers outstanding signal performance with ultra-low distortion, low noise high
slew rate. The high bandwidth TPA6120 headphone amp minimizes noise, delivering than 120 dB of
dynamic range to ensure music is heard with every detail.
Durable construction and materials
The compact aluminum enclosure protects the delicate circuitry inside from outside interference and
impacts while alloy bumpers protect the volume knob and headphone connectors from external
impact. Recessed control switches reduce the chance of accidental access during playback.
Flexible headphone support
A two position, side mounted gain switch allows you to optimize the PHA-2’s output level to match
varying headphone impedances from 8 to 600 Ohm. Select between Low or High settings to
maximize your listening experience.
Rechargeable Lithium-ion battery
The internal rechargeable battery provides approximately 6.5 hours of hi-res playback when
connected digitally via USB input or up to 17 hours of playback when connected using the analog,
1/8” stereo input.
2
Supplied accessories
Supplied with (2) silicone mounting straps, protective sheet, stereo mini cable for analog
connections, micro-B USB cable for PC and Mac
®
and mini-B for hi-res Walkman
®
connections.
(iPod
®
/iPhone
®
/iPad
®1
devices must use their own respective cables, not included).
Specifications
Amplifier Section
Impedance
Supported impedance: 8 - 600 Ohm
Audio
Distortion
0.01% or less (1 kHz)
Frequency Range
10 Hz - 100 kHz (AUDIO IN input)
Volume Control
Yes
PHA-2
Portable Hi-Res DAC/Headphone Amplifier