The Sony PHA-2 is a premium USB DAC/Headphone Amplifier featuring an elegant aluminum construction with zinc alloy bumper. This versatile device supports high-resolution audio playback up to 192kHz/32-bit PCM and DSD 5.6MHz, delivering powerful output of 165mW per channel at 8Ξ©. Compatible with multiple devices including PC, Mac, iOS, and Android, it offers both digital and analog inputs via USB and 3.5mm connections. The unit provides 7 hours of battery life and includes a rotary volume control for precise adjustment.
Specifications
Price
Specifications
Basic information
Brand
Sony
Model
PHA-2
Product type
USB DAC/Headphone Amplifier
Material
Aluminum with zinc alloy bumper
Amplification type
Hybrid
Physical specifications
Dimensions
Width
68
Width unit
mm
Height
29
Height unit
mm
Depth
140
Depth unit
mm
Weight
Value
270
Unit
g
Audio performance
Frequency response
Range
10Hz - 100kHz
Output specifications
Headphone outputs
Single ended
Connector type
3.5mm stereo mini-jack
Power output
165mW + 165mW (8Ξ©), 90mW + 90mW (32Ξ©), 25mW + 25mW (300Ξ©)
Impedance
8
Impedance unit
ohms
Line outputs
Type
3.5mm stereo mini-jack
Level
1
Level unit
Vrms
Input specifications
Analogue inputs
Mini jack
1
Digital inputs
USB
Supported
Yes
Version
2.0
Connector type
Micro-B, Mini-B, Standard Type A
Audio format support
DSD
Formats
2.8MHz (Single DSD), 5.6MHz (Double DSD)
PCM
Sampling rates
44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
Bit depth
16-bit, 24-bit, 32-bit
Power specifications
Battery
Capacity
2160
Capacity unit
mAh
Operating time
7
Operating time unit
hours
Charging time
7
Charging time unit
hours
Power supply
Type
USB/Battery
Voltage
5
Voltage unit
V
Current
1.5
Current unit
A
Features
Gain settings
1
1
Gain unit
dB
Special functions
Direct Stream Digital (DSD) playback, Balanced audio connection (4-wire)
Volume control
Rotary
Compatibility
Recommended headphone impedance
Minimum
8
Maximum
600
Unit
ohms
Supported devices
PC, Mac, iPod, iPhone, iPad, Android devices, Sony Walkman
Included accessories
Silicone band, USB cables
Warranty support
Standard warranty
1-year manufacturer warranty
