JBL 104-BT (Pair)
JBL 104-BT (Pair) Coaxial driver design - Image

Coaxial driver design

With 4.5-inch (118 mm) LF driver and .75-inch (19 mm) soft-dome HF driver

JBL 104-BT (Pair) Integrated 60-watt Class D power amplifier - Image

Integrated 60-watt Class D power amplifier

Distributes 30 watts to each speaker

JBL 104-BT (Pair) Acoustically optimized - Image

Acoustically optimized

For desktop placement


JBL 104-BT (Pair) Three sets of inputs and built-in Bluetooth - Image

Three sets of inputs and built-in Bluetooth

Allow connection with professional equipment, personal music players and consumer products

JBL 104-BT (Pair) Smart features - Image

Smart features

Include front-panel volume control, input selection and headphone jack with automatic speaker mute

Specs & Downloads

Item# 104SET-BT-US


Legendary Sound - No Strings Attached

JBL 104-BT compact reference monitors with Bluetooth, the newest models in the 1 Series line, draw from seven decades of JBL Professional engineering to deliver the truest, most accurate sound in their class. They’re perfect for recording musicians, producers, podcasters and vloggers, as well as professional audio engineers seeking an accurate portable reference with Bluetooth streaming. JBL 104-BT Reference Monitors combine a powerful coaxial 4.5-inch (118 mm) low-frequency driver and .75-inch (19 mm) soft-dome tweeter, potent integrated 60-watt amplification and an innovative acoustic design to reproduce honest sound with exceptional imaging and crisp detail. Bluetooth streaming lets you check mixes over Bluetooth to make sure they sound great in every listening scenario. Both the black 104-BT and white 104-BTW versions are sleek, elegant designs and compact form factors, making stunning statements in any studio while conserving valuable work space. Creative professionals, music lovers and anyone who wants the flexibility to stream both wired and wireless sound into high-quality studio monitors can count on JBL 104-BT to provide an accurate, reliable sonic reference and a truly enjoyable listening experience.

Device Compatibility


General Specifications

Bluetooth Version
Low Frequency Transducer
4.5 in (118 mm)
High Frequency Transducer
0.75 in (19 mm), soft dome
1725 Hz, 1st order
Power Amp
60 W (30 W each speaker), Class D
87 dB SPL @ 1 m with -10 dBV Aux In (Volume = Max)
Maximum Continuous SPL
89 dB
System Peak SPL
102 dB (pink noise, 12 dB crest factor)
Maximum SPL, Momentary Peak
104 dB
Maximum Peak Input Level (-10 dBV / +4 dBu):
+6 dBV / +20.3 dBu
Frequency Range (-3 dB SPL)
88 Hz – 20 kHz
Frequency Range (-10 dB SPL)
60 Hz – 20 kHz
System Rated Impedance
8 Ω
Minimum Impedance
7.8 Ω @ 260 Hz
Cabinet Tuning Frequency
72 Hz
System Distortion Criteria
<10% THD at maximum output with full compressor / limiter engagement
Electrical Distortion Criteria
<0.2%THD @ 1 kHz, 2.83 VRMS output; <1% THD @ 1 kHz, full rated output
Signal to Noise Ratio
75 dBA (A-Weighted), 70 dBr (unweighted), relative to 2.83 VRMS output on HF
Coverage (Horizontal x Vertical)
120º x 60º
Acoustic Test Specification
ATS# 1000340443


9.72 in (247 mm)
6.02 in (153 mm)
4.88 in (124 mm)
Net Weight
Primary Monitor = 4.54 lb (2.06 kg); Secondary Monitor = 3.81 lb (1.73 kg)


Enclosure Type
Enclosure Material
ABS with metal grille
Enclosure Finish
Matte black acrylic paint (104-BT) ; Matte white acrylic paint (104-BTW)

Audio Output

System Output Type
1/8" stereo headphone with auto speaker mute

Audio Input

System Input Type
Bluetooth, 1/8" Aux, RCA, 1/4" TRS balanced
Input Selection Options
Bluetooth, Aux, RCA, TRS, All

Powering Interface

System Power Handling
30 W x 2 @ 100 hours, IEC/SMS
System Polarity
AC Input Voltage
100 – 240 VAC (± 10%), 50/60 Hz
Current Draw
85 watts
Electrical Current Draw (W) Idle 100 / 240 VAC
3.52 / 3.70
Electrical Current Draw (W) Max Power 100 / 240 VAC
80 / 80
Electrical Current Draw (W) Low Power Standby Mode 100 / 240 VAC
0.34 / 0.46

What's in The Box?

  • 1 x 104-BT Master Monitor
  • 1 x 104-BT Extension Monitor
  • 1 x Extension monitor speaker wire (2-conductor, 2 meters)
  • 1 x 3.5 mm to RCA audio cable
  • 1 x Regional power cable
  • 1 x Quick setup guide
What's in The Box?

Documents & Downloads

What the Pro’s are Saying



“A superb-value monitor set that won’t clutter the desktop, these reference-quality speakers will highlight why it was worth spending the money on a decent recording microphone, pulling out the detail that will elevate your content.”



“If you need a trustworthy speaker system which must have a small footprint, you’re just not going to do better than the 104s. They deliver more than they should.”

Music Connection:

Music Connection:

“A solid choice for nearly any use in any room when you are looking for great sound in small, stylish desktop speaker”

American Songwriter:

American Songwriter:

“Much more sophisticated than any other desktop monitor I have ever used…small enough to fit into a tight desktop space yet still deliver a powerful and excellent sound.”

Guitar Player:

Guitar Player:

“The 1 Series 104 monitors sounded excellent across the board, delivering nicely detailed highs and impressive low end for their size”

Red Dot Winner 2020

Red Dot Winner 2020

Reviews and Q&A

Customer Reviews

Product Q&A

My 104's aren't picking up my laptop's Bluetooth signal. My laptop hasn't given me issues with any other Bluetooth device. I keep turning them off and on but nothing is happening as far as the Bluetooth picking them up. They are brand new. Help, please.

We'd like to work with you directly and try some troubleshooting steps with your JBL 104-BT. Please reach out to our Customer Support. We're here to help.
Answered by: Chastine
Date published: 2021-06-06

is it possible dont HEAR the &quot;TURN ON SOUND&quot; every time i turn it on?

Asked by: Matias Orpianesi
Hello, great question. Currently there is no way to turn off that sound.
Answered by: HARMAN Adviser
Date published: 2021-06-06

Are the 2 balanced TRS inputs Left and Right channel respectively or can one TRS input support both L/R channels?

Asked by: Soother
Hello, great question! The TRS source is one individual input that uses MONO Left and MONO Right connectors.
Answered by: HARMAN Adviser
Date published: 2021-06-06

Can I use two inputs simultaneously(not just plugged but playing simultaneously) with these speakers ?

Asked by: AugustoP
Hello, great question! Yes -- by selecting 'All' on the main monitor, you can play multiple sources simultaneously.
Answered by: HARMAN Adviser
Date published: 2021-06-06

Just bought 104-BTs when turned off from laptop they return to speakers on laptop and have to be reset everytime.

Asked by: james1
Hello, we're not entirely sure we understand the situation, but here's our best attempt at helping: Consumer Bluetooth devices (headphones, etc.) automatically connect to a known device (phone, etc.) immediately after a device is turned on. Because these speakers have multiple input sources, it does not default to the Bluetooth input when powered on, thus requiring you to physically press the Bluetooth button when they&rsquo;re ready to sync the speakers to a device. Hopefully this helps, but please reach out to HARMAN Support if you continue experiencing issues.
Answered by: HARMAN Adviser
Date published: 2021-06-06

How far apart can the 2 speakers be placed?

Asked by: sr2884
The speakers have to be placed at arm's length for optimal sound output. Check out the diagram on page 2 of our Quick Start Guide here: https://jblpro.com/en/site_elements/jbl-104-bt-quick-start-guide
Answered by: Chastine
Date published: 2022-08-08

Is this product compatible with the LSR310S subwoofer?

Asked by: iamkespinosa
Please contact our Professional Division at Phone: 844-776-4899 (8:00AM-6:00PM CST M-F) | Email: hprotechsupportusa@harman.com
Answered by: Ray at Customer Support
Date published: 2022-11-09

Just purchased your 104-BT Monitors. Is there any way to disable that annoying blast of intro noise when you first turn on the monitors? The monitors seem solid. Still getting used to the shape of the monitors.

Asked by: clatour
For inquiries regarding this professional product, you may call Harman Pro at 844-776-489 or send an email to HProTechSupportUSA@harman.com. Monday to Friday, 9 am to 6 pm (EST)
Answered by: Jem at Customer Support
Date published: 2021-06-06
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