Detachable Fold-Down Face: The Sony DSX-S310BTX digital
media receiver features a detachable fold-down face for theft prevention. Two
face-fixing screws are supplied for making the face non-detachable, if desired.
The digital media receiver's face folds down to access the unit's USB port. The
fold-down face requires 1.6875" of space to open. No face case is included with this unit. An
optional soft face case (142DFC1X,
sold separately) can be purchased for this unit.
Caution Alarm: If you turn the ignition switch to the Off
position without detaching the front-panel, the caution alarm will sound for a
few seconds. The alarm will only sound if the built-in amplifier is used.
OEL Display: The 4-line OEL (organic electroluminescent
light) display makes it easy to read
station & song information.
Image Display: The Sony DSX-S310BTX offers various display images to
choose from. You can select between Movie, Spectrum Analyzer (1-3), Wall Paper
(1-4), All (displays rotation of all images), or Off.
Auto Scroll: This feature
allows long displayed items to scroll automatically across the display when the
track is changed on a disc.
Dimmer: You can manually dim the display at night, if
desired. You can operate the display dimmer automatically, when the vehicle's
lights are turned on, or manually. If the dimmer is set to automatic, the
orange/white wire in the power harness must be connected to the vehicle's
headlight circuit in order to properly work.
Display Illumination/Clock Display: Pressing the Off button
for 1 second will turn off audio output, but the clock display
and button illumination remain on. This makes the clock display and
face/button illumination "Keyed" instead of "Unit On" only. To turn the unit off
completely, you must press the Off button for two seconds.
Selectable Button Illumination: The Sony DSX-S310BTX offers selectable
blue or red key illumination to complement your vehicle's interior lighting.
Auto Off: When installing in a vehicle without an accessory power wire at the
radio location, you can set the unit to turn off all lighting a
set amount of time after you turn the power off. The Auto Off feature can be set to 30 seconds, 30 minutes,
60 minutes, or No.
True Fidelity Sound Construction: The Sony DSX-S310BTX FM/AM compact disc player features a newly developed
sound processor for less distortion, an S-MOSFET IC for smooth signal
transmission, and a large-sized capacitor for deep bass sound.
24 Bit D/A Converter: The Sony DSX-S310BTX utilizes a 24-bit
digital to analog converter for superior sound quality.
CEA2006 Compliant Amplifier: The power specifications for
the Sony DSX-S310BTX are compliant with the CEA2006 Mobile Amplifier Power
Testing and Measurement standards from the Consumer Electronics Association (CEA).
These standards were developed as a way to equitably compare power specs from
model to model and between manufacturers. The power output specs for the
DSX-S310BTX are as follows:
- Continuous Power Output: 17 watts RMS x 4 channels (at 4 ohms,
20Hz-20kHz, 1% THD-N)
- Peak Power Output: 52 watts x 4-channels (208 total watts)
Three 4-Volt Preamp Outputs with Adjustable Crossovers: The
Sony DSX-S310BTX is equipped with 4-volt Front, Rear, and Sub pre-amp outputs with
selectable LPF/HPF (Low Pass Filter/High Pass Filter) functionality, giving you
the ability to customize the sound output to your external amplifiers.
- High-Pass Filter: The front and rear speaker outputs
offer a selectable high-pass crossover frequency of 50Hz, 60Hz, 80Hz, 100Hz,
120Hz, or Off.
- Low Pass Filter: The subwoofer output is non-fading
with a low pass filter with a selectable cut-off frequency of 50Hz, 60Hz,
80Hz, 100Hz, 120Hz, or Off. You can also adjust the subwoofer preamp
output's Phase (Normal/Reverse).
Sound Balance/Fader: The sound balance between the left and
right speakers (Balance) and front and rear speakers (Fader) can be adjusted to
your preference. You can also adjust the volume level (+/-10dB) of the subwoofer
Advanced Sound Engine: Sony's Advanced Sound Engine creates an ideal in-car sound field with digital
signal processing. Advanced Sound Engine contains the following features: EQ7,
Listening Position, DM+ Advanced, Rear Bass Enhancer, and Dynamic Loudness.
- EQ7 (Parametric Tune): You can select an equalizer curve from eight music
types - Xplod, Vocal, Edge, Cruise, Space, Gravity, Custom, or Off (Flat). The
Custom EQ7 mode allows you to make your own equalizer settings. You can adjust
the level (+/-6dB) of seven different frequency bands - Band1 (40Hz or 63Hz),
Band2 (100Hz or 160Hz), Band3 (250Hz or 400Hz), Band4 (630Hz or 1kHz),
Band5 (1.6kHz or 2.5khz), Band6 (4.0kHz or 6.3khz), and Band7 (10.0kHz or
- Listening Position (Time Alignment): This unit can change the localization of
sound by delaying the sound output from each speaker to suit your position,
and simulate a natural sound field with the feeling of being in the center
of it wherever you sit in the car. You can choose from Front Right, Front
Left, Front Center, Custom or Off. The Custom Mode lets you precisely
calibrate your listening position distance from each speaker so that the sound delay
reaches the listener more correctly. The distance is adjustable between
0.99-9.9'. You can also set the subwoofer distance to Near,
Normal, or Far.
- RBE (Rear Bass Enhancer): RBE enhances the bass sound by
applying the low-pass filter setting to the rear speakers. This function allows
the rear speakers to work as a subwoofer even if there is no subwoofer
- Dynamic Loudness: Dynamic Loudness refers to compensating for
volume level and signal gain.
- DM+ Advanced: DM+ Advanced improves digitally
compressed sound by restoring high frequencies lost in the compression
process (works only for USB).
Beep Tone: The in-dash head unit provides an audible beep to
confirm button operation. This function can be turned On or Off.
SSIR-EXA AM/FM Tuner with RDS: The Sony DSX-S310BTX features a
built-in SSIR-EXA AM/FM Tuner with RDS. Radio Data System (RDS) feature displays
radio broadcast information such as artist, title, and album when listening to
compatible AM/FM stations. The DSX-S310BTX offers manual, seek and preset tuning.
Radio Data System (RDS): The Radio Data System (RDS) feature displays
radio broadcast information such as artist, title, and album when listening to
compatible AM/FM stations.
Preset Tuning: The radio features 5 memory bands to store
and receive AM/FM stations. You can store up to 6 presets each in FM1, FM2, FM3,
AM1 and AM2 (total: 18 FM/12 AM). Preset tuning can be done manually or
- Best Tuning Memory (BTM): This feature selects stations
with the best signals within the selected band and stores them in order of
their frequency. You can select from FM1, FM2, FM3, AM1, and AM2.
- Manual Tuning: You can manually tune and find your
favorite radio stations one by one for FM1, FM2, FM3, AM1, and AM2.
Note: The head unit does not have
dedicated preset buttons; you access the preset stations
using the multi-way encoder knob or the remote control.
Auto Tuning: You can use the seek button to help you search
quickly through the available stations and then choose your own presets from
these available stations.
Local Seek Mode: In the Local Seek Mode, the unit will only
tune in stations with very strong signals during Seek tuning.
Mono Mode: The Mono Mode allows you improve poor FM
reception by selecting a monaural signal instead of a stereo signal.
HD Radio Ready: The DSX-S310BTX is compatible with Sony's
optional XT-100HD add-on HD Tuner (158XT100HD, sold separately) through its UniLink Bus
connection. HD Radio technology, where available, offers higher quality sound
than conventional analog broadcasts and receives text data. HD Radio provides FM
broadcasts that are equal to CD sound quality and AM broadcasts that are as good
as analog FM stereo broadcasts. HD Radio also provides a variety of data,
including station name, song title, artist name, album name, etc. Once
connected, all AM and FM broadcasts are received by the XT-100HD. HD appears as
an additional source, with five preset banks; HD1 (FM1), HD2 (FM2), HD3 (FM3),
HD4 (AM1), and HD5 (AM2). In addition to conventional broadcasts, with HD Radio
broadcasting it is possible to choose from up to 8 multicast programs (HD1 to
HD8 and analog). There are also data programs for each program.
Note: Right now there are about 2,000 radio stations broadcasting
using digital HD Radio technology in the U.S. To find HD Radio stations in
your area, visit the HD Radio website (HDRadio.com).
Satellite Radio Ready: There are several options for
connecting an optional satellite radio receiver to this head unit:
- SIRIUS Satellite Radio: To receive
SIRIUS Satellite Radio, you can connect the optional SCC1
SiriusConnect Vehicle Tuner and the optional SNYSC1 Sony
interface module (package item number
- XM Satellite: A portable XM satellite radio
can be connected to the head unit using the
Sony XA-300 UniLink auxiliary input adapter (item
Note: A subscription is also
required to receive satellite radio programming
from SIRIUS or XM.
Tune Tray: The Sony DSX-S310BTX digital media receiver features
an integrated Tune Tray to securely store your iPod, Sony Walkman MP3 player, or
other compatible USB (MSC/MTP) device neatly within the receiver, eliminating
loose wires. It even includes a reminder alert, which ensures you don't leave
your device behind. You can easily connect, charge, and control your digital
music player with a USB 1-wire connection, located within the Tune Tray. This
innovative feature displays metadata like song title, artist, & track number on
your front display when your music is playing. Capacity of the tray:
approximately 2.5625" (w) x 0.625" (h) x 4.625" (d); will fit iPod video,
classic, nano, or touch. The DSX-S310BTX needs approximately 2.5" of open space in front of
it for the Tune Tray to open properly.
Note: Do not leave your iPod or other USB device inside
the Tune Tray in a parked vehicle, as
malfunction may result. Do not place a cellular phone (iPhone) or a device
with wireless communication functions in the Tune Tray, as it may not receive
phone signals or communications may be terminated. Due to an increase in the
vehicle's interior temperature, charging of the USB device battery, may not
work, depending on the USB device specification.
Dual USB Ports: The Sony DSX-S310BTX features dual USB
(type-A) ports. One is located inside the head unit's Tune Tray and the other is
on the front of the unit's faceplate. The receiver's integrated USB (type-A)
inputs can be used for plugging in MSC (Mass Storage Class) or MTP (Media Transfer
Protocol) type USB devices. The head unit can play music files stored on the USB
device in MP3, WMA, or AAC formats (up to 320 kbps). When playing a USB device,
the display can indicate track/album/artist/genre number,
track/artist/album/genre name, elapsed playing time, text information, or clock.
The head unit can recognize up to 5,000 folders (recommended) and a maximum of 5,000 tracks when connected
to a USB MSC or MTP device.
- Search Modes:
- Quick-BrowZer: allows you to search for a track on
a connected USB device easily by category (Genre, Artist, Album, or
- Jump Mode: gets you closer to the song you want by
allowing you to fast forward through a music category in 10 percent
- Zappin: play music (files or folders) in 6, 15, or
30-second clips until you find the song you are looking for on your
connected USB device
- Playback Modes:
- Repeat: repeat a single track or repeat an entire
- Random: shuffle all tracks or a specific album
- Display Information:
- Numeric Text: track number and elapsed playing time
- Alphanumeric Text: song title, artist name, and
Note: This unit cannot recognize USB devices via a
USB hub. Not all MP3, WMA, AAC files may playback due to file
variations. Copyright protected ACC-LC files cannot be played back.
iPod/iPhone USB 1-Wire Connection: The Sony DSX-S310BTX lets you directly
connect, charge, and control select iPods or iPhones via either USB input and included adapter (XA-50IP)
or your iPod/iPhone's USB/Dock cable; as well as view metadata like song
title & artist on the front display. If you have an iPod nano (7th gen),
iPod touch (5th gen), or iPhone 5/5C/5S; use the Lighting-to-USB cable that came with
your Apple device to connect to the head unit's front-panel USB port (will not
work in Tune-Tray). The DSX-S310BTX provides audio playback, control,
information display, & charging of your connected iPod or iPhone.
Note: Any iPhone should be connected to the head unit's
front-panel USB port (not the Tune Tray USB port), so you can still receive
phone calls. If you plan on placing the iPhone in the Tune Tray, then the
iPhone should be set to "Airplane" mode (no phone functionality).
Bypass iPod DAC: The USB connection allows your
iPod/iPhone's stored music to be loaded instantly to the head unit and sound
quality to be maximized through the head unit's 24-bit D/A converter (bypassing
iPod/iPhone DAC), allowing for a Signal to Noise ratio up to 120dB.
Audio Playback: The Sony head unit supports audio playback
of music, podcast, & audiobook files stored on your iPod or iPhone.
Music Navigation: You can control your connected iPod/iPhone
from the head unit.
You can also operate your iPod/iPhone which is connected to the front-panel USB input
directly from its touchscreen or clickwheel. Your iPod/iPhone's
controls will be locked during connection to the Tune Tray USB input.
- Quick-BrowZer: The unit's Quick-BrowZer feature allow
you to search for a track on your connected iPod/iPhone easily by category
(Artist, Album, Genre, Track, Podcast, or Playlist).
- Alphabetical Search: You can search within a specific
Quick-BrowZer category or All tracks alphabetically (A-Z).
- Zappin: With the Zappin feature, you can play music
(files or albums) in 6, 15, or 30-second clips until you find the song you
are looking for on your connected iPod/iPhone.
- Jump Mode: Jump Mode gets you closer to the song you
want by allowing you to fast forward through a music category on your
iPod/iPhone in 10 percent increments.
- Repeat & Shuffle Play: The DSX-S310BTX offers Repeat
(Track/Album/Podcast/Artist/Playlist/Genre) and Shuffle
(Album/Podcast/Artist/Playlist/Genre/Device) playback modes for your
Information Display: The head unit will also display your
iPod/iPhone's music file information, including - Track number, Elapsed playing
time, Song title, Artist name, & Album label.
Charging: While connected and the ignition switch is set to
ACC or ON, the head unit's USB connection will power and charge your iPod/iPhone. If your iPod/iPhone has no initial battery charge,
then this unit will not recognize it.
iPod/iPhone Compatibility Chart: The Sony DSX-S310BTX is "Made
for iPod/iPhone" compatible and supports the following iPod/iPhone model
features (as of 9/19/2013):