JBL 4305P vs Presonus Eris Studio 8

Last updated: October 8, 2026

Short answer: the JBL 4305P if sound quality matters most, the Presonus Eris Studio 8 if price matters most. The JBL 4305P ranks #40 of 113 powered bookshelf speakers, rated 4.4/5, at $1,499.99. The Presonus Eris Studio 8 ranks #97, rated 3.9/5, at $419.98, $1,080.01 cheaper.

JBL 4305P vs Presonus Eris Studio 8

The JBL 4305P is the better-sounding pick. The measured 1.5dB response span from 300Hz to 5kHz supports even mids, with a 7.45 ideal-subwoofer score and 45.4Hz -3dB bass extension. It keeps a wired aux input, which the Presonus Eris Studio 8 lacks. The catch: Crossover-region directivity changes mean the narrow on-axis span does not describe every listening angle.

Why pick the Presonus Eris Studio 8: An 8-inch active monitor with XLR, TRS and RCA inputs and room-adjustment controls, providing flexible analog integration. The catch: The large cabinet requires substantial desk or stand space.

Buy the JBL 4305P if sound quality matters more than the price. Buy the Presonus Eris Studio 8 if the price matters more than sound quality.

Looking for alternatives? See the complete Powered Home rankings.

Specifications Side By Side

JBL 4305P Presonus Eris Studio 8
Price$1,499.99 per pair$419.98 per pair
Ranked#40 of 113 in Large Size Powered Bookshelf Speakers#97 of 113 in Large Size Powered Bookshelf Speakers
Bass Extension (-3dB)45Hz (measured, Erin’s Audio Corner)-
Bass Extension (-10dB)40.5Hz (measured, Erin’s Audio Corner)-
Maximum SPL~93dB at 2m in-room before limiting (measured, Erin’s Audio Corner)-
Amplifier Power300W system: 125W LF + 25W HF per speaker140w Per Speaker
Drivers5.25-inch pulp woofer; 1-inch annular compression driver8” (203mm) woofer
Dimensions13.2H x 8.3W x 8.8D inches16.5”H x 9.8”W x 11.7”D (419.1 x 248.9 x 297.2 mm)
Spinorama Preference Score5.44-
Spinorama Preference Score with Perfect Sub7.45-
InputsXLR/TRS combo, 3.5mm Aux, Optical, USB-B, EthernetTRS, XLR, RCA
XLR InputYesYes
RCA InputNoYes
TRS InputYesYes
Optical InputYesNo
Coaxial InputNoNo
USB InputYesNo
HDMI InputNoNo
AES InputNoNo
Aux InputYesNo
WeightPrimary 14.6 lbs (6.6 kg), Secondary 14.1 lbs (6.4 kg)22.3 lbs (10.1 kg) each
BluetoothYesNo
Bluetooth Version5.1-
Frequency Response45Hz - 25kHz (-6dB) (Manufacturer specified)35Hz - 20kHz (Manufacturer specified)
App-No
EQ-Yes (Room adjustment)
DSP-No

How JBL 4305P compares with other leading options:

Prices on this page were last checked October 9, 2026 at 8:01 AM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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The Two Speakers In Full

JBL 4305P: $1,499.99 per pair Amazon JBL eBay

JBL 4305P ranking card

Pros: The measured 1.5dB response span from 300Hz to 5kHz supports even mids, with a 7.45 ideal-subwoofer score and 45.4Hz -3dB bass extension. Integrated consumer connectivity makes this a more convenient living-room system than many studio monitors. Measured bass extension of 45Hz (-3dB).

Cons: Crossover-region directivity changes mean the narrow on-axis span does not describe every listening angle. Limiting becomes relevant at high output, particularly with bass-heavy music. It suits near- to midfield listening better than the largest high-output systems here. Erin measured about 8dB lost near 50Hz at the highest drive level and reached roughly 93dB unweighted at 2m in-room.

AES InputNo
Amplifier Power300W system: 125W LF + 25W HF per speaker
Aux InputYes
Bass Extension (-10dB)40.5Hz (measured, Erin’s Audio Corner)
Bass Extension (-3dB)45Hz (measured, Erin’s Audio Corner)
BluetoothYes
Bluetooth Version5.1
Coaxial InputNo
Dimensions13.2H x 8.3W x 8.8D inches
Drivers5.25-inch pulp woofer; 1-inch annular compression driver
Frequency Response45Hz - 25kHz (-6dB) (Manufacturer specified)
HDMI InputNo
InputsXLR/TRS combo, 3.5mm Aux, Optical, USB-B, Ethernet
Maximum SPL~93dB at 2m in-room before limiting (measured, Erin’s Audio Corner)
Optical InputYes
RCA InputNo
Spinorama Preference Score5.44
Spinorama Preference Score with Perfect Sub7.45
TRS InputYes
USB InputYes
WeightPrimary 14.6 lbs (6.6 kg), Secondary 14.1 lbs (6.4 kg)
XLR InputYes

Presonus Eris Studio 8: $419.98 per pair Amazon eBay

Presonus Eris Studio 8 ranking card

Older model: the PreSonus Eris E8 XT (ranked lower, estimated 3.7/5).

Same family: the PreSonus Eris Studio 4 (smaller bookshelf, estimated 3.4/5) and the PreSonus Eris Studio 5 (smaller bookshelf, estimated 3.6/5).

Pros: An 8-inch active monitor with XLR, TRS and RCA inputs and room-adjustment controls, providing flexible analog integration. Its cabinet and connection options suit a conventional studio setup.

Cons: The large cabinet requires substantial desk or stand space. Analog room-adjustment controls offer less flexibility than automatic calibration or parametric correction.

AES InputNo
Amplifier Power140w Per Speaker
AppNo
Aux InputNo
BluetoothNo
Coaxial InputNo
DSPNo
Dimensions16.5”H x 9.8”W x 11.7”D (419.1 x 248.9 x 297.2 mm)
Drivers8” (203mm) woofer
EQYes (Room adjustment)
Frequency Response35Hz - 20kHz (Manufacturer specified)
HDMI InputNo
InputsTRS, XLR, RCA
Optical InputNo
RCA InputYes
TRS InputYes
USB InputNo
Weight22.3 lbs (10.1 kg) each
XLR InputYes