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JBL 306P MkII Patented Image Control Waveguide - Image

Patented Image Control Waveguide

For detailed imaging and a broad, room-friendly sweet spot

JBL 306P MkII Next-generation JBL transducers - Image

Next-generation JBL transducers

For optimized transient response and improved linearity

JBL 306P MkII New Boundary EQ settings - Image

New Boundary EQ settings

Compensate for low frequency variants introduced by the environment


JBL 306P MkII 3-position HF Trim switch - Image

3-position HF Trim switch

Adjusts high-frequency output to room acoustics or personal preferences

JBL 306P MkII Patented Slip Stream™ low-frequency port - Image

Patented Slip Stream™ low-frequency port

For superior bass performance at all playback levels

JBL 306P MkII Dual integrated, custom Class-D amplifiers - Image

Dual integrated, custom Class-D amplifiers

Provide 112 watts of power for high output and dynamic range

JBL 306P MkII Flexible connectivity - Image

Flexible connectivity

With balanced XLR and 1/4" TRS inputs, +4dBu / -10dBV input-sensitivity switch and adjustable volume control

JBL 306P MkII Engineered to JBL Linear Spatial Reference design criteria - Image

Engineered to JBL Linear Spatial Reference design criteria

For outstanding accuracy in any working space

JBL 306P MkII Strenuous JBL 100-hour full-power test - Image

Strenuous JBL 100-hour full-power test

Ensures years of reliability

JBL 306P MkII Sleek, modern design - Image

Sleek, modern design

Provides a visual upgrade to any studio

Frequently Bought Together

Specs & Downloads

Item# 306PMKII


Powered 6" (15.24 cm) Two-Way Studio Monitor

The next-generation JBL 306P MkII powered studio monitor makes legendary JBL performance available to every studio. With the revolutionary JBL Image Control Waveguide and refined transducers, JBL 306P MkII offers stunning detail, precise imaging, a wide sweet spot and impressive dynamic range that enhances the critical listening capabilities of any modern workspace. Featuring patented technologies derived from the JBL 7 Series and M2 Master Reference Monitors and sporting a sleek, modern design, JBL 306P MkII delivers outstanding performance and an enjoyable mix experience at an accessible price.

General Specifications

LF Driver Size
165 mm (6.5")
HF Driver Size
25 mm (1")
HF Driver Type
Soft dome
1425Hz 4th order acoustic Linkwitz-Riley
Power Configuration
HF Driver Power Amp
56 W Class D
LF Driver Power Amp
56 W Class D
Frequency Response
47Hz – 20kHz (±3dB)
Frequency Range
39Hz – 24kHz (-10dB)
Low Frequency Extension
39Hz (-10dB)
Maximum Continuous SPL
Maximum Peak SPL
Maximum Peak Input Level
+6dBV / +20.3dBu (-10dBV / +4dBu)
System Distortion Criteria
<10% THD at maximum output with full compressor / limiter engagement
Electrical Distortion Criteria
0.2% THD @ 1kHz / 2.83VRMS output; <1% THD @ 1kHz, full rated output
Signal to Noise Ratio
75dBA (A-Weighted), 70dBr (unweighted), relative to 2.83VRMS output
Coverage Pattern
120° x 90° (horizontal x vertical)
HF Trim Control
-2dB, 0dB, +2dB
Boundary EQ
LF Shelf @ 50Hz
AC Input Voltage
100 – 240VAC (±10%), 50 / 60Hz


361 mm (14.2")
224 mm (8.8")
282 mm (11.1")
Net Weight
6.1 kg (13.42 lbs)


Enclosure Type
Enclosure Construction
15mm MDF
Enclosure Finish
Matte black PVC
Baffle Construction
Injection-molded structural ABS

Audio Input

Analog Input Types
1 x XLR female, 1 x TRS female, balanced
Input Sensitivity
92dB / 1m (-10dBV Input)

What's in The Box?

  • 1 x 306P MkII studio monitor
  • 1 x Power cord
  • 1 x Quick setup guide
  • 4 x Peel-off rubber pads
What's in The Box?

Documents & Downloads

What the Pro’s are Saying

MusicTech Choice Award:

MusicTech Choice Award:

Smooth, unforced character + Insightful midrange + Muscular bass + Clean, unhyped treble + Panoramic stereo imaging + Room-filling sound

Cinema Sound:

Cinema Sound:

“There’s nothing anywhere in the market that compares with them for the price”

Sound on Sound:

Sound on Sound:

“I found myself really enjoying them, and I'd be confident using them for serious mixing — they stack up well against many speakers that cost considerably more.”

Pro Tools Expert:

Pro Tools Expert:

“You should definitely check out these monitors which sound like they cost far more than they actually do”

Reviews and Q&A

Customer Reviews

Product Q&A

Regarding the crossover frequency for the 306p, 1425Hz seems low when compared to the other models in the new 3 series: 1725Hz for the 305p and 1800Hz for the 308p. Is the number for the 306p accurate? Would the HF driver be able to handle 1425Hz?

Asked by: Dave on Bass
It is low. Probably due to the wave guide which helps the tweeter with output levels and LF exetension. Amphion monitors which have a much shallower wave guide set their x-overs at 1.6K.
Answered by: MookieBagelsss
Date published: 2021-06-06

Does this monitor have the ability to mount onto a PA mount (ie does it have a hole in the bottom that the pole of a speaker mount can fit into)? If not does it have any mounting features or is it only meant to sit on a stand/isolation pad?

Asked by: Sharkbait173
No, there is no pole mount on the bottom
Answered by: briann55
Date published: 2022-10-25

Is there any wall mount and and ceiling mount for the 306P MkII? I'm setting up a studio with Dolby Atmos configuration (7.1.4). I need two speakers on a wall and four up in the ceiling. Thanks!

Asked by: studio rec
For inquiries regarding this professional product, you may call Harman Pro at 844-776-4899 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: 2022-10-25

According to the manual (https://www.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw8978425d/pdfs/JBL_3_Series_MkII_Owners_Manual_English.pdf) the speaker can activate auto standby mode. See page 12. But it doesn't work.

Asked by: kkkkk88
We would like to work with you directly to help you with your issue. Please submit a case request at http://www.jblproservice.com/forms/marcom.html and the Customer Service Team will be more than happy to assist you.
Answered by: Mario at Customer service
Date published: 2022-10-25

Can I make these wireless

Asked by: leighmac
Thanks for reaching out. Our JBL 306P MkII Pro is handled by our Professional Division. Please contact them for assistance. Here are their contact details: 844-776-4899 | Hprotechsupportusa@harman.com
Answered by: Customer Support
Date published: 2023-01-26

what's the warranty on the 306P MkII Monitors. And, why when I'm trying to purchase them it puts me in a box to buy a warranty when I don't want to. It won't let me go any further. I'm in a hurry and you're going to lose the sale because of it.

Asked by: Kbo55
We would like to get more information to help you out, please contact us so we can assist you: https://bit.ly/36q7t27
Answered by: Mario at Customer service
Date published: 2022-10-25

Is it harmful to the speaker to run an imbalanced TS cable instead of a balanced TRS cable?

Asked by: MPS5

g Can i connect to an iphone with a regular aux cord? is it blutooth?

Asked by: basilio
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