Mix & Double, by mixing vintage and
new tech to double the ultimate sound

With the new era of high-tech,
adapting 3"*2 full-range drivers to perfect match
with over 1 century of vintage-tech,
dual-triode of pre-amplifier vacuum tubes 12AX7B*2
& single pentode of power-amplifier vacuum tubes EL84*2,
doubles the higher performance from vacuum tubes.

Bluetooth 4.2, aptX-HD,
your best choice for Hi-Fi streaming

Bluetooth 4.2, aptX-HD music format, almost close to the CD Hi-Fi level,
stop interrupting your streaming music feast by unstable signal anymore.
It is true and possible to enjoy the Hi-Fi streaming through Apple Music,
Youtube Music, Spotify, K.K.BOX or other streaming platforms.

Note: Bluetooth music formats supported WMA, AAC, MP3, FLAC and aptX-HD.

Wi-Fi streaming, let's get the「non-stop music」started.

More wider and stronger streaming connectivity through UPnP Server / DLNA,
fast and simple steps to set up your PC or laptop to start the Wi-Fi streaming.
Smart streaming and category your favorite music as well. Let's PLAY right now!

Note: Windows Media Player 10 or later (WMP) and other UPnP platforms supported, iTunes is not supported.

Follow me!「UNDOK」APP, smart-phone controls everything

Smart-phone is your remote control, anything you want,
will all follow your decision, play, pause, snooze, alarm, mode and
channel switch anywhere and anytime.
Besides, a large 3" LCD display equipped, show you all the
detailed information and present status.

More features, what we think is always more than you

「Network」connects the world with you;
「FM」guides you local city tendency;
「DAB/DAB+」provides you one more digital broadcast.
「CD function」with 16bit / 44.1kHz Hi-Res lets you enjoying the Hi-Fi music;
「USB port」just one move to plug & play;
「AUX-IN」gives you a private listening environment.

Note:「FM Radio 」is not available for Japan.
Note:「DAB/DAB+ Radio」is only available for Europe.
Note: USB music formats supported WMA,OGG, AAC, MP3, FLAC and APE
(Caution: Sampling rate must be under 48kHz).
Note: CD music formats supported CD/CD-R/CD-RW;
CD-DA,CDROM,CDROMXA data file; CD-TEXT function.

Function: Bluetooth 4.2 aptX-HD / WI-FI / Spotify Connect / CD (Tray) / Internet Radio / DAB+ / FM /
AUX / USB port for music playback / Alarm / Sleep / Clock
TFT Display: 3" TFT Full-Color Display
Vacuum Tube (Power-Amplifier): EL-84 (6BQ5) x 2
Vacuum Tube (Pre-Amplifier): 12AX7B or 12AX7C x 2
Amplifier Power: 3W x 2 RMS 4Ω @ 10% THD; 5W x 2 (MAX), 4Ω 
Speaker: 3"x 2 Full-Range of external-Magnetic Driver
Tray CD Player: Audio CD / CD-R / CD-RW / Playback Support
USB Music Format: MP3, WMA, OGG, AAC, FLAC, APE
Dimension: 426mm(W) x 177mm(H) x 318mm(D) / 9.26 kg
Cabinet Material: Wooden