JBL 305PMKII

The JBL 305P MkII is a powered 5-inch two-way studio monitor that brings JBL’s flagship M2 reference technology to home and project studios. Its patented Image Control Waveguide delivers detailed imaging and a wide, room-friendly sweet spot, while next-generation transducers and 82 watts of bi-amplified Class-D power provide accurate, dynamic sound for mixing, producing, and content creation.

Highlights

• 5-inch woofer and 1-inch soft-dome tweeter
• 82W bi-amplified Class-D power (41W + 41W)
• 49 Hz-20 kHz response and 108 dB peak SPL
• Image Control Waveguide for a wide, accurate sweet spot
• Slip Stream low-frequency port for clean, deep bass
• Boundary EQ, HF trim, and XLR/TRS inputs

JBL 305P MkII: Pro Reference Sound for Any Studio

The 305P MkII is engineered to JBL’s Linear Spatial Reference criteria, so mixes sound accurate not just in the sweet spot but across your listening position. The Image Control Waveguide controls high-frequency dispersion for precise stereo imaging and depth, helping you place every element of a mix with confidence.

Room-Friendly Controls

A Boundary EQ switch compensates for the bass buildup that happens when monitors sit near walls or on desks, and a three-position HF trim switch (-2, 0, +2 dB) tailors the high end to your room or preference. An input sensitivity switch matches pro (+4 dBu) and consumer (-10 dBV) sources.

Setting Up the 305P MkII

Place the monitors at ear height, forming an equilateral triangle with your listening position, and angle the tweeters toward your ears. Connect them to your audio interface with balanced XLR or 1/4-inch TRS cables, set the input sensitivity, then adjust Boundary EQ and HF trim for your room.

What to Pair With the 305P MkII

Pair the 305P MkII with an audio interface, balanced TRS or XLR cables, monitor isolation pads or stands, studio headphones for cross-checking, and a powered subwoofer such as the JBL LSR310S for extended low end.

Bass That Holds Up at Every Level

JBL’s patented Slip Stream low-frequency port delivers deep, articulate bass at low and high playback levels, so you can mix quietly late at night without losing the low end. The 305P MkII reaches 43 Hz at -10 dB, impressive for a 5-inch monitor.

Built for Reliability

Each monitor is tested for 100 hours at full power to ensure years of dependable performance, and the sleek, modern design looks right at home in any studio.

305P MkII vs. 306P MkII

Both share JBL’s Image Control Waveguide, Slip Stream port, and room controls. The 305P MkII’s 5-inch woofer and 82W of power suit desktops and smaller rooms, while the 306P MkII steps up to a 6.5-inch woofer and 112W for deeper bass and higher output.

JBL 305P MkII FAQ

What inputs does it have? Balanced XLR and 1/4-inch TRS inputs with volume control.

Is it good for small rooms? Yes. Boundary EQ and HF trim help it sound accurate in small and untreated rooms.

JBL 305P MkII Specifications at a Glance

• Drivers: 5-inch woofer, 1-inch soft-dome tweeter
• Power: 82W total (41W LF + 41W HF), Class-D
• Frequency response: 49 Hz-20 kHz (+/-3 dB)
• Frequency range: 43 Hz-24 kHz (-10 dB)
• Max peak SPL: 108 dB
• Crossover: 1725 Hz
• Inputs: balanced XLR and 1/4-inch TRS
• Controls: volume, Boundary EQ, HF trim, input sensitivity

Who Buys the JBL 305P MkII

• Home and project studios
• Music producers and beatmakers
• Podcasters and content creators
• Schools and media labs

Why Buy the JBL 305P MkII From Metro Sound & Lighting

Metro Sound & Lighting isn’t a catalog-only retailer. We design, install, and service audio and recording systems in-house, so our team can help you set up your studio and support it after the sale. We offer B2B and integrator pricing for schools, churches, and studios.

Browse more options in our Studio Monitors category, or see the full specifications on the official JBL 305P MkII product page.