OK. Where is your location? I prefer to use UPS ground for shipping and need your zip code to estimate the shipping fee. Thank you, Jun

An official Balanced cable for this headphone is available for sale separately. See listing here: https://www.head-fi.org/classifieds/fortex-balanced-cable-for-th-900-mk2-and-th-610-headphones-4-pin-xlr.23699/

Original Fortex balanced cable for sale. Matching the TH-900 mk2 and TH-601 headphones. It has the 4-pin XLR terminator connected the headphone amplifier. I am the original owner. It is working in great condition. Buyers pay the Paypal transaction fee and shipping cost. Welcome to local pick in...

Used Fortex TH900 mk2 headphones for sale. I am the original owner. It works in great condition. There is not any visible scratch or dint on the wooden cups. Some parts of the pads have casted off (see the pictures) but you can find the replacement ear pads easily on eBay or other online market...

Audio-GD Master 11 DAC/headphone amp/preamp for sale. It has 4 pieces of PCM 1704UK DAC chips and can be regards as a great all-in-one-box unit combining the functions of Master 7 and 9 (See details from its official webpage: http://www.audio-gd.com/Master/Master-11/M11EN.htm). This unit is...

A used Holo Audio Serene preamplifier (the KTE version) for sale. In mint cosmetic condition and working great. The build and sound quality is incredible. The state-of-the-art measurements (similar to the Benchmark LA4 but, sounds better than the Benchmark). Fully balanced, fully discrete. Has...

Used Siltech Golden Universal mk2 USB cable (1. 5 meters). Very rare on the used market. Working in great condition. The cosmetic condition is very good (see pictures). Come with original box and certificate. Buyers pay PayPal fee (can be avoid by using the Friends & Family option) and shipping...

Sold

A Audio-GD Master 9 headphone amplifier for sale. It is working in good condition. Some small scratches on the top and back panels. The is only one issue that the RCA output interface of right channel has dropped from the back panel so the preamplifier function of single-ended output does not...

A used Cybershaft 10MHz clock with ultra-high precision OCXO Ultimate (OP 17 model) for sale. The Cybershaft is a premium branch of making high-quality 10 MHz master clocks for audio use and has many positive reviews & feedbacks from Hifi users all over the world. The OP 17 model indicates its...

It looks roughly the same expect the USB interface from their website. Maybe someone who have had both versions can give accurate answers to you.

I think the main difference is the 'Amanero combo 384', which replaces the 'USB-32'. You may ask some one about the comparison between these two USB interface blocks.

Thanks for your comments. It sounds great! That means I do not need to buy an external USB interface for Yggy.

Thanks very much for your reply.

Besides, why does the Yggy not provide an I2S interface like Audio-GD Master 7? What about the performance of Yggy's build-in USB interface?