Variety of Sources
Pulse Flex 2i: The Bluesound Pulse Flex 2i wireless powered
speaker employs various
technologies; including advanced DirectDigital amplification from NAD
Electronics, custom-tuned drivers from PSB Speakers, and BluOS
multiroom audio software for seamless hi-res audio throughout your home. The end result is an innovative wireless powered speaker that delivers rich, detailed,
and crystal-clear sound with no distortion.
- Two-Way Driver Design w/ Full-Range Sound: The Pulse Flex 2i
houses one 1" dome tweeter and one 3.5" mid-bass woofer designed by PSB
Speakers. The Bluesound Pulse Flex 2i offers a full-range sound with a
frequency response of 45Hz to 20kHz.
- DirectDigital Amplifier w/ DSP: The Pulse Flex 2i utilizes a
Direct Digital amplifier from NAD Electronics rated at 25 watts with 0.03%
THD. State-of-the-art DSP equalization maximizes bass power and clarity.
Applications: The Bluesound Pulse Flex 2i is a versatile, full-range
compact speaker that can be used in a variety of applications - including a
single speaker setup, multiroom audio setup, 2ch stereo setup, or home theater
setup. It can even be paired with Bluesound wireless powered subwoofer.
- Start with a single Flex 2i speaker and add more to create a wireless
multiroom audio system.
- Two Pulse Flex 2i speakers can be paired together for room-filling
- Group two Pulse Flex 2i speakers together with the Pulse Soundbar 2i
(sold separately) and
create a wireless surround sound system with dedicated rear channels.
- Using Bluesound's
RT100 wireless adapter (sold separately), you can add the Bluesound
Pulse Sub (sold separately) wirelessly to a single Flex 2i speaker or a
stereo pair of Flex 2i speakers for bigger bass response.
BluOS Wireless High-Resolution Multiroom Audio: The
Bluesound Pulse Flex 2i
wireless speaker is part of the
BluOS wireless high-resolution
multiroom audio eco-system - consisting of powered speakers, soundbar
speakers, amplifiers, players, and hard-drives. The BluOS wireless
high-resolution multiroom audio ecosystem uses your home's wired or wireless
network to connect multiple Bluesound products and play your music in perfect
sync, or different music simultaneously, anywhere in your home. Using advanced
technologies (like dual-band WiFi and an ARM Cortex9 1GHz Processor), BluOS can wirelessly transmit lossless music up to 24-bit/192kHz
at ultra-fast speeds with no lag and zero loss in sound quality.
- Compatible Multiroom Audio Sources: The following audio sources can be used for multiroom audio playback - internet radio (including TuneIn & iHeart Radio); online music services (including Tidal, Spotify, Amazon, Deezer, Slacker, and Napster); Bluetooth & USB audio, music libraries (computers and NAS drives); and Aux inputs (analog or digital).
- Number of BluOS Zones: Up to 16 Bluesound devices can be connected in a strictly
wireless environment. Demonstrated practice has shown that you can
create up to 8 groups of 8 Bluesound devices or 4 groups of 16 Bluesound
devices. If you want to connect more than 16 Bluesound devices,
you will need to connect the Bluesound devices to your network using a wired
connection. BluOS can then control up to 64 devices in a strictly wired
Note: Gen 2i of Bluesound is compatible with earlier generations of
Wired or Wireless Network Connection: The Bluesound Pulse
Flex 2i can be connected to your home network and Internet provider via a hardwired
Gigabit Ethernet RJ-45 jack connector or wireless 2.4/5GHz dual-band WiFi 802.11 b/g/n/ac connection.
The 5GHz WiFi band offers a more faster and reliable connection with less
interruptions and dropouts. Either
network/internet connection allows you to stream music libraries from your Windows or Mac
computer and NAS drive (such as the Bluesound Vault 2i, sold separately); as
well as stream select online music services and internet radio.
- Wired Ethernet Setup: A wired connection to the network is simple
and requires no setup. If you wish to use the wired connection, simply
connect the Pulse Flex 2i directly to your router or home network using an
Ethernet cable (sold separately).
- Wireless WiFi Setup: A wireless connection allows you to place
your BluOS Player virtually anywhere inside your home, but does require setup
through the BluOS app on your Apple iOS or Android device. If you are on a
Windows PC (7/8/10) or Apple Mac, you'll use Bluesound's web browser based
application. You'll be walked you through the set-up process step-by-step.
Note: A wireless network connection will always be required for the BluOS
High Resolution Audio: High-resolution audio tracks are
either 24-bit/96kHz or 24-bit/192kHz, and contain up to 6.5x more data than
standard CDs, letting you hear all the detail of your favorite music in superior
quality. With full support for hi-res audio, you can stream WAV,
FLAC, ALAC, AIFF, WMA-Lossless, MQA music files over your home's WiFi
network or directly from a connected USB mass storage class device. The
Bluesound system also supports compressed music files such as MP3, AAC, WMA and
OGG. Bluesound has been designed to work with today's larger music collections,
and has indexed libraries up to 200,000 songs in demonstrated practice (this
will depend on the music's metadata & artwork). Bluesound also offers gapless
playback by default for all supported file music types.
| Compression || File Type || Sampling Frequency || Bit Rate or Bit Depth |
| Compressed || Lossy ||MP3 ||16-48kHz ||192-320
| Lossless ||WMA-Lossless ||up to 96 kHz ||up to 24-bit |
|FLAC ||192 kHz ||up to
| Uncompressed ||AIFF ||up 192 kHz ||up to
Notes: Bluesound cannot index or play AAC files with the
extension ".m4p". These files were purchased in iTunes prior to 2009 and are
subject to copy protection. Apple Consumers with an iTunes Match
subscription can delete and re-download these files free of charge from
their iTunes Cloud
MQA (Master Quality Authenticated): Bluesound is the first
wireless multiroom audio system to support MQA (Master Quality Authenticated).
MQA is a revolutionary end-to-end technology that captures and delivers master
quality audio in a file that's small enough to stream or download. Bluesound
worked closely with MQA to implement technology inside each Bluesound component
to ensure the listener will hear MQA encoded music and streams exactly like the
source and the way the artist intended you to hear it when it was approved in
Headphone Output: A 3.5mm headphone jack is located on the rear of the Pulse
Flex 2i for private listening with a set of headphones. The Pulse Flex 2i speaker will
be muted when headphone are connected.
AC Power or Battery Power: The Bluesound Pulse Flex 2i operates off of standard household
current using it's internal power supply and the supplied 6.5' detachable AC
power cord. The optional Bluesound
BP100 battery pack
(sold separately) delivers 6
hours of high-resolution audio streaming.
Note: Even though the optional battery pack allows you to
take the Pulse Flex
2i outdoors, the speaker is not weather resistance or water proof.
Mounting Options: The Pulse Flex 2i speaker can simply be placed on a
table-top, shelf, stand, desk, or other piece of furniture with a flat surface.
There is also a M6 threaded insert on the back of the speaker which allows you
to wall-mount it using Bluesound's
VM100 wall-mount bracket (sold separately).
Firmware Updates: Firmware and software updates from
Bluesound are delivered to the Pulse Flex 2i via your home network's Internet
connection and the BluOS Controller app.
Variety of Sources
Online Music Services:
Many popular music streaming services and internet radio apps are built right
into BluOS, giving you an all-access pass to millions of songs and the freedom
to listen to everything you want to hear. Using the BluOS Controller app, you
can instantly discover and enjoy millions of songs from your existing music
services, tune in to your favorite internet radio stations and podcasts from
around the world, or access and listen to the music collections stored on your
smartphone, tablet or laptop on any and Bluesound in your home. Subscription and
purchase fees will apply to online music services.
Amazon Prime: With a
Amazon Prime Music subscription, you can access
over 2 million songs ad-free and on-demand, as well as curated playlists and
personalized stations. Upgrade to an
Amazon Music Unlimited subscription to access tens of millions of songs.
- Spotify Connect:
If you subscribe to
Spotify Premium and have the Spotify App on your
Apple iOS or
Android smartphone, you can stream Spotify to the Bluesound system
using Spotify Connect.
Spotify is a digital music service that gives you on-demand access to one of
the largest music libraries in the world (over 15 million tracks and
counting). Spotify makes it easier than ever to discover, manage, and share
music with your friends. You can browse music by artist, album, track, or
most popular; and create your own music library with customized playlists.
TIDAL is a global streaming service that offers over 30 million songs in
high-fidelity CD sound quality. TIDAL has two pricing tiers; either $9.99 or
$19.99 a month. Both pricing levels allow you to access TIDAL's entire music
library. The $19.99 tier has the added benefit of high-fidelity sound at
The Bluesound system includes access to more than 70,000 free internet radio
streams from all corners of the globe via the TuneIn
internet radio service. Just
select the TuneIn logo from the main Music menu and browse among the 70,000
stations neatly organized into popular categories and select a station that
appeals to your mood.
- iHeart Radio: iHeart Radio is a free, all-in-one digital radio and music streaming
service that lets you listen to thousands of live stations from across the
country and allows you to create personalized custom stations featuring
songs from the artist you select and similar music.
- Napster: Napster is a streaming music subscription service (starting a $10
per month) that allows you to play the full-length songs you choose on
demand from a collection of over 10 million songs, without ads and without
having to purchase or download the music.
Get the sound quality that you deserve with the new Slacker music
library available in high-quality AAC audio on Bluesound. Listen to music
streams at a bitrate of 320kbps and enjoy all your favorite Slacker stations
in pristine MP3-quality.
- Deezer: Deezer lets you explore over 53 million tracks (and counting), and discover
artists and tracks you'll love with personalized recommendations from the
Deezer Editors. Bluesound even supports Deezer HiFi for lossless quality
($19.99 per month).
- Other Services: Other online music services include
Note: Availability of online music services may vary by
region. Not all services may be available at time of purchase. Some services
may be added or discontinued from time to time based on decisions of the
music service providers or others.
Computer Audio: The BluOS wireless multiroom audio system by Bluesound
lets you easily connect and share your music collection from a computer or
network-attached storage drive and access up to 200,000 tracks for wireless
streaming. The BluOS wireless music system will pull music
from an existing digital music library across the network on your Windows PC, Mac computer,
or NAS drive using Windows or SMB File Sharing (SAMBA) and the BluOS Controller app for Windows
(XP-up) & Mac (OS X 10.7-up). However, File Sharing is not enabled by
default on Windows or Mac. You will have to manually alter these settings in
your computer's menu system.
AirPlay 2 (via Future Firmware Update): The Pulse Flex 2i
will support AirPlay 2 through a future firmware update later this year. With
AirPlay 2, you'll be able to stream just about any sound (including music,
books, podcasts and more) from your iPhone, iPad, or Mac to the Bluesound system
- all in sync. You can even watch movies and videos from Netlfix or YouTube on
your Apple device while streaming the audio through to the Bluesound system.
AirPlay 2 also gives users more options for control, including using Siri voice
assistance. If you are an Apple Music subscriber and add the Pulse Flex 2i
to the Apple Home App on your iPhone or iPad, you can use your iOS device or
HomePod to say things like - "Hey Siri, play jazz in the Living Room" or "Hey
Siri, turn up the volume in the Kitchen." You can even group Gen 2i Bluesound
products with older Bluesound products in the BluOS App to add AirPlay 2
compatibility to your entire BluOS system.
Bluetooth w/ aptX: The Bluesound Pulse Flex 2i features built-in Bluetooth 4.1
with support for wireless music streaming from your Bluetooth-enabled
smartphone, tablet, laptop, or desktop computer. You'll be able to stream stored music, music apps,
and other audio content
on your Bluetooth-enabled device to the Pulse Flex 2i. In addition, the Pulse Flex 2i
offers aptX for CD-quality sound from Android OS 4.0+ devices. You can even
distribute Bluetooth audio to the rest of your Bluesound wireless audio system
throughout your home or office over WiFi.
Note: The Pulse Flex 2i can be paired and connected via Bluetooth without
utilizing a network connection or the BluOS Controller app.
USB Port: The Bluesound Pulse Flex 2i features a USB
(type-A) port to directly connect your USB mass storage class (MSC) device; such
as a thumbdrive or external HDD. USB hard disk drives that require more than 0.5A of power will
require a separate power supply. The unit's USB port supports music playback from these
compatible USB devices formatted in FAT 32 or NTFS. Not only
can USB audio be played back on the Pulse Flex 2i, but can also be wirelessly
distributed to the rest of your Bluesound components throughout your home for
Note: The USB port is not compatible with the direct connection of an
Apple iOS or Android device.
Optical/Analog Input: The Pulse Flex 2i is fitted with a 3.5mm
Aux input which can be used as an analog or digital connection. As an analog
input, simply connect a stereo minijack audio cable from your analog source to
the Pulse Flex 2i's Aux input. As a digital input, use the included
3.5mm-to-Optical adapter along with an optical digital cable (sold separately) to connect your digital source to the Pulse Flex 2i's Aux input. As an analog
or digital input, the unit's Aux input supports 2ch PCM audio (not Dolby Digital
or DTS). Audio from the Optical/Analog Aux input can be played back at the Pulse
Flex 2i speaker and wirelessly distributed to other Bluesound components in
your home for multiroom playback.
BluOS Controller App: The
free BluOS Controller app
(for Apple iOS 9.3-up, Android OS 4.1-up, Windows PC (XP-up), and Mac OS X
10.7-up) turns your mobile device or computer into a full-featured wireless
remote control for the Pulse Flex 2i and the BluOS wireless multiroom audio
system. The BluOS Controller app on your compatible device uses your home's
WiFi network to connect with Bluesound devices, so you can play all the music
you love anywhere in your home for a wireless multiroom music experience. Get
on-demand access to your music libraries on your home network, stream live
Internet radio from almost any place in the world, or listen to one of the many
music services available on Bluesound, all from the palm of your hand with the
easy-to-use BluOS Controller app.
- Multiroom Audio: Play a different song at the same time in different rooms, or group all your
BluOS enabled devices together and listen to your favorite music in perfect
sync throughout your home.
- Now Playing Screen:
Control your music and adjust the volume in any room, get rich album artwork and
detailed artist info, right from the Now Playing screen. Even check what quality
you are streaming at to ensure the best possible listening experience.
- Individual Songs & Playlists: Tap a song and have it play instantly, or create and edit playlists on the fly
by simply adding songs or entire albums to the play queue. Playlists can then be
saved inside the app and listened to at any time.
Alexa Compatible: The Pulse Flex 2i will support Amazon
Alexa and voice control through an over-the-network firmware update (now
available). Using an Amazon Alexa enabled device (sold separately), you can use
your voice to explore music services, select presets, adjust volume levels,
switch up songs in different rooms, or even group your Bluesound components
together and play your music in perfect sync throughout the house. Each Alexa
voice command will need to start with the phrase "Alexa, ask Blue Voice to"
or "Alexa, Tell Blue Voice to". Alexa Skills for BluOS will need to be setup
through the Amazon Alexa app on your Apple iOS or Android device.
here for more information regarding Alexa setup and voice commands.
Soft-Touch Controls: The Pulse Flex 2i offers soft-touch, top-panel
controls to operate basic playback functions like Volume Up/Down, Play/Pause,
and Previous/Next Track. There are also 5 preset buttons to store up to 5 of
your favorite Internet Radio stations, online music services, and playlists.
Custom Integration: Bluesound offers seamless integration with some of
today's most innovative 3rd-party smart-home control systems such as Control4,
Crestron, Lutron, ELAN, RTI, and more.