What cables do I need to connect these to my computer?

The MkII series of powered studio monitors features input connectors for XLR or ¼” TRS cables (not included with purchase). If neither of these will connect directly to your computer, try using an adapter with XLR or TRS at one end and a computer-friendly connector at the other end.

How's the bass on this? Is it boomy or muddy?

Realistically, if you are working with contemporary EDM or any electronic music with sounds below 45Hz, you need a sub. Don't get me wrong, the LSR305s are excellent, clearer than the 308s. For material like Country, the bass is sufficient. Even for Rap and EDM you can adjust and place them just right, and estimate how things will sound on a big club or car system. But pairing the LSR305s with e.g. a LSR310S sub gives you the real thing, though sub placement is SO critical it's another rabbit hole.

Do these hiss? I sent back lsr305 due to the hissy tweeters :(

Some do. It’s normal. on the ones that do they are extremely quiet. The “hiss” is only audible while the speakers are not in use and is caused by the internal amp. I wouldn’t call it a hiss as much as it is just static noise from the amps unused electricity. If you don’t like that, maybe these aren’t the ones for you. But I will say that most other powered monitors I have used make this exact same noise. With mine mounted on the wall about 2 feet in front of me and 2 feet above me pointed down at my seat I cannot hear the hiss until ~90%+ volume, And again, exclusively when they are not in use. Hope this helps.

Does this come with cables?

This speaker comes with a power cable, but audio cables are not included. The speaker has one XLR and one 1/4" TRS connector, so you can purchase whatever cables work with your system.

305p Mkii | Desertcart Norway

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Description

🎧 Elevate your mix game with JBL’s precision power and room-smart clarity!

ROOM READY EQ - Innovative Boundary EQ technology neutralizes low frequencies when placed near walls or surfaces, ensuring flawless mixes anywhere.
PLUG PLAY PRO - Balanced XLR and 1/4" TRS inputs with adjustable sensitivity and volume controls make integration seamless for any studio environment.
IMMERSIVE SWEET SPOT - JBL’s Image Control Waveguide creates a broad, consistent listening area so you catch every detail, even off-axis.
PRECISION POWERHOUSE - 82 watts of custom Class-D amplification deliver crystal-clear, dynamic sound that fills your workspace with professional-grade audio.
SLEEK STUDIO STATEMENT - Modern, minimalist design adds a stylish edge to your setup, signaling your commitment to top-tier sound and aesthetics.

The JBL Professional 305PMkII is a 5-inch, 2-way powered studio monitor designed for near-field music production and hi-fi audio. Featuring 82 watts of custom Class-D amplification, advanced Boundary EQ for optimized low-frequency response near surfaces, and JBL’s Image Control Waveguide for a wide sweet spot, it delivers precise, detailed sound ideal for professional and home studios. Its sleek design and versatile connectivity options make it a must-have for serious audio professionals seeking reliable, high-performance monitoring.

Specifications

ASIN	B077N2GQXC
Additional Features	Boundary EQ, Hi Res Audio
Age Range Description	Adult
Antenna Location	For Audio Production
Audio Driver Size	5 inches
Audio Driver Type	Dynamic Driver
Audio Output Mode	Stereo
Best Sellers Rank	#14,090 in Musical Instruments ( See Top 100 in Musical Instruments ) #34 in Studio Audio Monitors
Brand	JBL
Built-In Media	JBL 305P MkII
Color	Black
Compatible Devices	Home Theatre, Studio
Compatible with Vehicle Type	Car
Connectivity Protocol	XLR, TRS
Connectivity Technology	wired
Control Method	Remote
Controller Type	Button
Customer Reviews	4.7 4.7 out of 5 stars (1,752)
Enclosure Material	Acrylonitrile Butadiene Styrene (ABS)
Frequency Response	49 hertz
Global Trade Identification Number	00691991007705
Input Voltage	240 volts
Is Waterproof	False
Item Dimensions D x W x H	9.9"D x 7.3"W x 11.75"H
Item Type Name	Studio Monitor
Item Weight	10.1 pounds
Manufacturer	JBL Professional
Model Name	305P MkII
Model Number	305PMKII
Mounting Type	Wall Mount, Surface Mount
Number of Audio Channels	2
Number of Items	1
Power Source	Corded Electric
Series Number	305
Signal-to-Noise Ratio	75 db
Speaker Maximum Output Power	82 watts
Speaker Size	5 inches
Speaker Type	Monitor
Specific Uses For Product	Home Theatre
Subwoofer Connectivity Technology	Wired
Subwoofer Diameter	5 inches
UPC	691991007798 632317256865 691991007705 094148238548 094148020068
Unit Count	1 Count
Warranty Description	This product is sold by an AUTHORIZED JBL Professional NORTH AMERICAN DEALER and includes the official JBL Professional manufacturer’s warranty. The warranty is valid only for products purchased from authorized sellers within the United States. Full details are available on the JBL Professional website.
Warranty Type	5 years
Water Resistance Level	Not Water Resistant
Wireless Technology	No Wireless Communication Technology
Woofer Diameter	5 inches

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305P MkII

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Description

Specifications

Common Questions