[[File:Sub1 Sub2.jpg|link=https://pro.bose.com/en_us/solutions/portable/l1-pro-family/sub1-sub2.html|thumb|Bose Sub1 and Sub2]]
[[File:Sub1 Sub2.jpg|link=https://pro.bose.com/en_us/solutions/portable/l1-pro-family/sub1-sub2.html|thumb|Bose Sub1 and Sub2]]
<h3>Introduction</h3>
;First available January 2021
Sub1 and Sub2 powered bass modules combine with virtually any portable PA to deliver low end down to 40 Hz and 37 Hz, respectively. When paired with the [[L1 Pro|Bose L1 Pro32]], Sub1 creates a more compact system, while Sub2 plays lower and louder. And both give you bold bass from slim design that goes virtually anywhere.
Sub1 and Sub2 powered bass modules combine with virtually any portable PA to deliver low end down to 40 Hz and 37 Hz, respectively. When paired with the [[L1 Pro|Bose L1 Pro32]], Sub1 creates a more compact system, while Sub2 plays lower and louder. And both give you bold bass from slim design that goes virtually anywhere.
Sub1 and Sub2 powered bass modules combine with virtually any portable PA to deliver low end down to 40 Hz and 37 Hz, respectively. When paired with the Bose L1 Pro32, Sub1 creates a more compact system, while Sub2 plays lower and louder. And both give you bold bass from slim design that goes virtually anywhere.
Start with the Volume on S1 Pro and Sub, as shown. Adjust as necessary from there.
The picture shows a stereo setup. The signal flow is from left to right.
Recommended cable
Use an XLR to 1/4 inch (6.3 mm) Tip-Ring-Sleeve cable for best results.
If you use an XLR to XLR cable, the signal may be too hot for the S1 Pro system.
Alternative Connection
Can I connect the S1 Pro Line Out to the Sub?
The method described above is preferred, but you can use the S1 Pro system as the sound source (e.g., microphone and guitar and backing tracks via Bluetooth)
Note the following:
The S1 Pro system will sound the same as without the subwoofer (62 Hz - 17 kHz)
The Sub1 or Sub2 will cover from 40 Hz (Sub1) 37 Hz (Sub2) to 150 Hz
You will be able to push S1 Pro system harder (louder) if you route the signal as described at the top of this article
Cooling
Question
How are the Sub1/Sub2 cooled?
Answer
Sub1 and Sub2 have extruded aluminum heat sinks mounted to the backside of the I/O panel. This pulls heat out of the electronics and transfers some to the air moving through the acoustic volume of the sub and helps to cool.[2]
Why have a LEVEL control on the Bose Sub1/Sub2? This can also apply to other subwoofers as well.
Answer
At lower volume, the Equal Loudness contour[3] shows that humans don't perceive bass as well as mid-highs. You can compensate for this by turning up the Sub1/Sub2 LEVEL Control.
Other times bass may seem excessive
At higher volumes
Due to boundary effects (proximity to walls and corners)
On a resonant stage
You can compensate for this by turning down the Sub1/Sub2 LEVEL Control.
Recommended Settings
Set the Sub1/Sub2 Level control at 12:00 o'clock[4].
Raise/lower the volume of the L1 Pro32 as required.
Adjust the Sub1/Sub2 Level control to balance bass level with the mid-high level from the L1 Pro 32.
