AKG K7XX

前言

這支AKG K700系列耳機在十一月的時候從某個網站中被透露出來，因為型號像是開玩笑的K7XX，而且是限量版本，初次看到該文時有些驚訝。 由於AKG並沒在自己的官網中發表，原以為是那邊的山寨耳機，直到該文作者確認是特製版本，也給與非常正面的評價，當下決定衝首批發售。 十一月底開賣，訂購兩支順位都在前50名，十二月中寄出，剛好趕在聖誕節之前收到。


規格

Type： open-back，dynamic headphones
Sensitivity： 105 dB/V
Frequency range： 10 Hz - 39,800 Hz
Rated impedance： 62 ohms
Max. input power： 200 mW
Cable： 3 m single-sided (99,99 % oxygen-free)
Connector： gold plated stereo jack plug 6.3 mm (1/4")
Adapter： gold plated convertible jack plug 3.5/6.3 mm (1/4" to 1/8")
Finish： semiglossy matte titan and black
Net weight (without cable)： 235 g (8.3 oz.)

（News） JH Audio Siren Series Layla & Angie

The JH Audio Layla is a 12-driver (quad-low, quad-mid, quad-high) in-ear monitor, and is the new flagship of the Jerry Harvey Audio line. The universal-fit Layla is priced at $2499.

The JH Audio Angie is an 8-driver (dual-low, dual-mid, quad-high) in-ear monitor, and comes in as the most affordable model in Jerry Harvey Audio's Siren Series. The universal-fit Angie is priced at $999.

The custom-fit versions of the Jerry Harvey Audio Layla and Angie will be offered directly through Jerry Harvey Audio in the first quarter of 2015.

（News） Schiit Magni 2 & Modi 2

Schiit Audio

Magni 2. All-new discrete headphone amp with 1.2W RMS per channel (32 ohms) and switchable high/low gain, together with a refined constant-feedback gain stage. $99.

Magni 2 Uber. All-new discrete headphone amp with 1.5W RMS per channel (32 ohms), switchable high/low gain, preamp outputs, and even more sophisticated constant-feedback gain stage. Also includes new 24VA wall transformer (3x larger than Magni) and aluminum top chassis and knob. $149.

Modi 2. All-new USB asynchronous DAC with switchable USB Class 1 and Class 2 modes. USB Class 1 remains driverless for all supported computers, USB Class 2 adds 24/192 capability, but requires drivers for Windows. $99.

Modi 2 Uber. All-new USB, optical, and coaxial three-input DAC running full USB Class 2 for 24/192 capability through all inputs. Essentially a mini Bifrost. AC linear power supply with included 8VA wall transformer. Aluminum pushbutton and top chassis. $149.

beyerdynamic DT990 250Ω

規格

官網： http://europe.beyerdynamic.com/shop/hah/headphones-and-headsets/at-home/music-pleasure/dt-990-edition.html

Transmission type： Wired
Headphone design (operating principle)： Open
Headphone impedance： 250 ohms
Headphone frequency response： 5 - 35.000 Hz
Nominal sound pressure level： 96 dB
Construction： Circumaural (around the ear)
Cable & plug： Straight connecting cable with mini-jack plug (3.5 mm) & ¼“ adapter (6.35 mm)
Net weight without packaging： 290 g