<s>
UE	B-Application
Boom	I-Application
is	O
a	O
portable	O
speaker	O
manufactured	O
by	O
Ultimate	O
Ears	O
,	O
supporting	O
Bluetooth	B-Protocol
and	O
wired	O
connections	O
.	O
</s>
<s>
UE	B-Application
Boom	I-Application
has	O
been	O
praised	O
for	O
its	O
industrial	O
design	O
,	O
loudness	O
,	O
battery	O
life	O
,	O
speakerphone	O
capability	O
,	O
and	O
its	O
suitability	O
for	O
outdoor	O
use	O
,	O
but	O
criticized	O
for	O
its	O
comparatively	O
high	O
price	O
.	O
</s>
<s>
On	O
September	O
15	O
,	O
2015	O
,	O
Ultimate	O
Ears	O
introduced	O
the	O
UE	B-Application
Boom	I-Application
2	I-Application
,	O
a	O
revised	O
model	O
of	O
the	O
UE	B-Application
Boom	I-Application
.	O
</s>
<s>
The	O
third	O
revision	O
,	O
UE	B-Application
Boom	I-Application
3	O
,	O
was	O
announced	O
on	O
August	O
30	O
,	O
2018	O
with	O
a	O
personalized	O
version	O
of	O
the	O
speaker	O
announced	O
on	O
March	O
4	O
,	O
2019	O
.	O
</s>
<s>
UE	B-Application
Boom	I-Application
consists	O
of	O
two	O
drivers	O
at	O
4	O
Ω	O
,	O
and	O
has	O
two	O
passive	O
radiators	O
measuring	O
.	O
</s>
<s>
In	O
addition	O
to	O
supporting	O
Bluetooth	B-Protocol
,	O
the	O
speaker	O
can	O
be	O
connected	O
via	O
a	O
standard	O
3.5mm	O
audio	O
input	O
.	O
</s>
<s>
It	O
also	O
supports	O
passive	O
NFC	O
,	O
can	O
be	O
used	O
as	O
a	O
Bluetooth	B-Protocol
speakerphone	O
and	O
has	O
an	O
alarm	O
feature	O
.	O
</s>
<s>
A	O
recently	O
released	O
firmware	O
update	O
enabled	O
a	O
feature	O
called	O
"	O
PartyUp	O
"	O
which	O
allows	O
a	O
person	O
to	O
pair	O
150+	O
UE	B-Application
Boom	I-Application
,	O
Boom	O
2	O
,	O
and	O
MegaBoom	O
speakers	O
,	O
and	O
have	O
them	O
all	O
playing	O
music	O
from	O
a	O
single	O
source	O
.	O
</s>
<s>
CNET	O
rated	O
the	O
UE	B-Application
Boom	I-Application
four	O
stars	O
out	O
of	O
five	O
,	O
favoring	O
it	O
as	O
versatile	O
,	O
durable	O
,	O
portable	O
and	O
loud	O
.	O
</s>
<s>
CNET	O
also	O
commented	O
that	O
,	O
like	O
most	O
small	O
speakers	O
,	O
the	O
UE	B-Application
Boom	I-Application
"	O
just	O
does	O
n't	O
deliver	O
a	O
ton	O
of	O
bass	O
"	O
,	O
and	O
that	O
at	O
higher	O
volumes	O
,	O
the	O
UE	B-Application
Boom	I-Application
may	O
distort	O
"	O
bass-heavy	O
material	O
"	O
.	O
</s>
<s>
Will	O
Greenwald	O
reviewed	O
the	O
UE	B-Application
Boom	I-Application
for	O
PC	O
Magazine	O
,	O
remarking	O
favorably	O
on	O
its	O
design	O
,	O
volume	O
and	O
stereo	O
pairing	O
function	O
.	O
</s>
<s>
Greenwald	O
also	O
noted	O
that	O
the	O
UE	B-Application
BOOM	I-Application
"	O
does	O
n't	O
exactly	O
impress	O
"	O
in	O
terms	O
of	O
low	O
frequency	O
sound	O
.	O
</s>
<s>
In	O
testing	O
the	O
claim	O
that	O
the	O
UE	B-Application
Boom	I-Application
produced	O
"	O
360-degree	O
sound	O
"	O
,	O
he	O
noted	O
that	O
the	O
speaker	O
's	O
imaging	O
did	O
not	O
suffer	O
with	O
different	O
placement	O
or	O
listening	O
position	O
.	O
</s>
<s>
In	O
2014	O
,	O
UE	B-Application
Boom	I-Application
received	O
an	O
iF	O
product	O
design	O
award	O
in	O
the	O
audio	O
category	O
.	O
</s>
