JBL suB140P User Manual

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Included Items
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Your new JBL
®
SUB140P 140-watt powered subwoofer incorpo-
rates an 8" (200mm) down-firing cone transducer and a built-in
high-performance 140-watt amplifier that deliver the powerful,
dynamic and accurate low-frequency performance that makes
your film soundtracks and music come alive. And with line-level
and LFE inputs, adjustable crossover and phase controls and
automatic turn on/off, the SUB140P is also simple to connect
and set up.
We’re confident that this JBL subwoofer will provide every note of
enjoyment that you expect – and that when you think about pur-
chasing additional audio equipment for your home, car or office,
you will once again choose JBL products.
This quick-start guide contains all the information you need to set
up, connect and adjust your new subwoofer. For more in-depth
information, go to our Web site: www.jbl.com.
thank You For choosIng thIs JBl
®
Product
suB140P
140-Watt, 8" (200mm) Powered Subwoofer
quIck-start guIde

JBL suB140P Specifications

Power

power requirement (US)	120V, 60Hz
power requirement (EU)	220V – 230V, 50Hz/60Hz
standby power consumption	<1W (8mA@120V)
peak power consumption	300w (2.5A@120V)
amplifier power	140 watts

Audio

low-frequency transducer size	8" (200mm)
frequency response	32Hz – 200Hz (–6dB)
audio controls	volume level, crossover frequency, phase
connections	RCA line-level and LFE inputs

Weight and Dimensions

width	18 14/16" (478mm)
height	14" (365mm)
depth	14" (365mm)
weight	22 lb (10kg)

Summary

Thank You For Choosing This JBL Product

Included Items

Lists the components and accessories provided with the JBL SUB140P subwoofer.

Important Safety Instructions

Subwoofer Rear-Panel Controls and Connections

On/Standby LED

Indicates the subwoofer's operating state (On or Standby) when in Auto mode.

Crossover Control

Adjusts the subwoofer's crossover frequency for smooth bass transition with satellite speakers.

Phase Switch

Determines if the subwoofer driver's action is in phase with satellite speakers for optimal bass performance.

Power-On Mode Switch

Controls automatic turn-on/off based on audio signal or keeps the subwoofer always on.

Subwoofer Level Control

Adjusts the subwoofer's volume level for balanced audio output.

Line-Level In LFE Connector

Bypasses internal crossover for direct connection to a filtered subwoofer output.

Line-Level In L/R Connectors

Inputs that use the subwoofer's built-in crossover for connection to receiver/processor outputs.

Power Switch

Turns the subwoofer on or off manually.

Power Cord

Connects the subwoofer to an active, unswitched electrical outlet.

Placing the Subwoofer

Connecting the Subwoofer

To a Receiver or Preamp/Processor with a Low-Pass Filtered Dedicated Subwoofer Output

Connects the subwoofer using the LFE OUT from a receiver/processor with a filtered output.

To a Receiver or Amplifier with Preamp Outputs

Connects the subwoofer using Line-Level In L/R connectors from receiver/amplifier preamp outputs.

Operating the Subwoofer

Turning the Subwoofer On and Off

Instructions for powering the subwoofer on, off, or setting it to standby mode.

Subwoofer Adjustments: Crossover Control

Guidance on adjusting the crossover frequency for optimal bass integration.

Subwoofer Adjustments: Volume

Guidance on setting the subwoofer's volume level for music and films.

Subwoofer Adjustments: Phase

Instructions on setting the phase switch for optimal bass performance and sonic impact.