Tuesday, January 6, 2015

Sony's Latest Goodies - NW-ZX2 High-Resolution Walkman, MDR-1ABT Headphones, PHA-1A Headphone DAC/amplifier

Sony announced a slew of new products at CES 2015. Here are some of the products announced that are likely to be of interest to readers.

Walkman NW-ZX2

This is the Walkman for the discerning Audiophile. Compared to the preceding flagship model (ZX1), the ZX2 gains DSD support (2.8 MHz and 5.6 MHz).


Memory Capacity
128 GB

External Memory

microSD (card not included)
Key Features

High-Resolution Audio playback, S-Master HX Digital Amplifier, DSEE HX (Digital Sound Enhancement Engine), ClearAudio+, Clear Bass, Equaliser, VPT, one-touch listening via NFC and Bluetooth® connectivity
Compatible Audio Formats

MP3, WMA, FLAC (192KHz/24bit), Linear PCM (192KHz/24bit), WAV (192KHz/24bit), AAC-LC, HE-AAC, Apple Lossless (192KHz/24bit), AIFF (192KHz/24bit), DSD (2.8MHz, 5.6MHz)
Battery Life

MP3: 60 hours
Hi-Res Audio: 33 hours
Charging Time

Approx. 4.5 hours
Operating Platform

Android™ 4.2

4.0 inch FWVGA (854x480) TRILUMINOS™ Display for mobile
Communication Mode

Wi-Fi (IEEE 802.11b/g/n/a)
Supported Codec: SBC/LDAC
Included Applications
Media Go (for Windows), Content Transfer for Mac (for Mac OS)
Dimensions (W x H x D)
65.1 x 131.2 x 18.5 mm (excluding max. protruding section)
Approx. 235 g
USB cable, leather carrying case, Spacer (headphones not included)

MDR-1ABT Headphones

Hmm - closed headphones with wireless capability via Bluetooth. The specifications seem to suggest that there is a built in DAC too with a sampling rate of up to 96 kHz.


Closed Dynamic
Driver Unit
Φ40 mm, Dome type (CCAW Voice coil)
98 dB/mW (1kHz)
(when using the supplied headphone cable)
Frequency Response
4 Hz - 100,000Hz
(when using the supplied headphone cable)
20Hz - 20,000Hz (44.1kHz Sampling) / 20Hz - 40,000Hz (LDAC 96kHz Sampling, 990kbps)
24Ω (1kHz) (when using the supplied headphone cable)
Power Handling Capacity
Gold-plated stereo mini plug
Weight (exclude cable)
Approx. 300g
Battery Life (continuous music playback time)
Music playback time: Max. 30 hours
Communication time: Max. 26 hours
Standby Time: Max. 200 hours
Supplied Accessories
Headphone cable (1.2m), Micro USB cable (0.5m), Carrying pouch
PHA-1A Portable DAC/Headphone Amplifier

The PHA-1A handles PCM sampling up to 192kHz with a maximum of 24 bit resolution. It is quite light and compact, with it's built-in rechargeable battery good for 6 hours of use. 


Sampling Frequency/Bit
PCM: Max. 192kHz/24bit
Frequency Range
10 Hz – 100,000 Hz
8Ω – 600Ω
Maximum Output
Approx. 148mW + 148mW (8Ω, 10% distortion) Approx. 80mW + 80mW (32Ω, 1% distortion)
Approx. 16.4mW + 16.4mW (300Ω, 10% distortion)
Stereo mini jack (Only a 3-pole stereo mini plug is supported)
Computer/WALKMAN®/Xperia connecting port, iPhone/iPad/iPod® connecting port
ThBattery Type
Built-in lithium-ion rechargeable battery
Battery Life
Approx. 6 hours
Battery Charging Time
Approx. 2 hours
Dimensions (W x H x D)
Approx. 62 x 18.5 x 109 mm
Weight (Without Cord)
Approx. 145g
Supplied Accessories
Digital cable for WALKMAN®, Digital cable for Xperia®, Micro USB cable, Silicone belts, Protection sheet
Pricing and availability of the above products in Singapore will be announced at a later date. All photos are courtesy of Sony.

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