Genelec 8361A vs JBL 4329P

Last updated: October 1, 2026

Short answer: the Genelec 8361A for a coaxial three-way monitor, the JBL 4329P for full-range bass. The 8361A pairs a 5” mid-range and inset 1” metal dome tweeter with two 10” front-loaded woofers, though it costs about $10,900 and GLM is extra. The 4329P extends to 30Hz anechoic with measured F3 of 31Hz, but it has no HDMI input for a TV’s ARC.

Genelec 8361A vs JBL 4329P

What the Genelec 8361A gets right: Three-way coaxial design: 5” mid-range with an inset 1” metal dome tweeter, flanked symmetrically above and below by two 10” front-loaded woofers. The catch: $10,900 per pair; Genelec’s GLM room-correction add-on (measurement mic plus software) is another ~$450 and wasn’t used in this review.

On the JBL 4329P side: Genuinely full-range performance for a bookshelf-style speaker - anechoic response extends to 30Hz (measured F3 31Hz), reaching into the low 20s Hz range in-room depending on placement. Set against that: No HDMI input, a real drawback if you want to run these directly off a TV’s ARC.

Buy the Genelec 8361A. It is rated higher for sound quality; the JBL 4329P is no longer sold new.

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Specifications Side By Side

Genelec 8361A JBL 4329P
Price$10900 per pair$4,500 per pair Discontinued
Ranked#6 of 68 in Large Size Powered Bookshelf Speakers#45 of 68 in Large Size Powered Bookshelf Speakers
Bass Extension (-10dB)29Hz (measured, Erin’s Audio Corner)27Hz (measured, Erin’s Audio Corner)
Bass Extension (-3dB)34Hz (measured, Erin’s Audio Corner)31Hz (measured, Erin’s Audio Corner)
Dimensions22.5”H x 14”W x 13.6”D (571.5 x 355.6 x 345.4 mm)20.3”H x 12.6”W x 12.7”D
InputsXLRUSB, Optical, Bluetooth, Analog, 3.5mm, AirPlay 2
DriversDual 263 x 137 mm woofers, 5.1” coaxial with tweeter midrange, 1” (25mm) coaxial tweeter8” midwoofer, 1” compression driver with JBL High-Definition Imaging horn
Weight70.3 lbs (31.9 kg) each34.4 lbs (15.6 kg) (primary), 34.4 lbs (15.6 kg) (secondary)
AppYes (GLM)-
BluetoothNoYes, 5.3
DSPYes-
EQYes (via GLM software)-
Frequency Response30Hz - 43kHz (±2dB) (Manufacturer specified)30Hz - 20kHz (anechoic, manufacturer specified)
Amplifier Power1000w Per Speaker300W RMS per speaker (600W total system power)
Maximum SPL118dB @ 1m (manufacturer specified)-
Spinorama Preference Score6.765.40
Spinorama Preference Score with Perfect Sub8.086.72
XLR InputYesNo
RCA InputNoNo
TRS InputNoNo
Optical InputNoYes
Coaxial InputNoNo
USB InputNoYes
HDMI InputNoNo
AES InputNoNo
Aux InputNoYes
Sensitivity-102.2dB (measured at 0.3V/1m, Erin’s Audio Corner)
Bluetooth Codecs-SBC, aptX Adaptive
Woofer Cabinet-ported

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The Two Speakers In Full

Genelec 8361A: $10900 per pair B&H Photo Video eBay

Genelec 8361A ranking card

Pros: The coaxial design combines consistent imaging with substantial output capability. ASR measured a 1.8dB response span from 300Hz to 5kHz, 33.7Hz -3dB extension and a 8.08 ideal-subwoofer score. Low distortion and restrained compression support its use at greater distances than smaller nearfield monitors. Woofers above and below the coaxial driver give nearly identical vertical response whether you sit or stand. Measured bass extension of 34Hz (-3dB).

Cons: Its larger size buys headroom, not uniformly better tonality than the smaller Ones models. Some lower-midrange unevenness remains, and listening angle can affect perceived treble balance. The cabinets are very heavy and expensive; GLM setup and suitable stands need to be budgeted separately.

AES InputNo
Amplifier Power1000w Per Speaker
AppYes (GLM)
Aux InputNo
Bass Extension (-10dB)29Hz (measured, Erin’s Audio Corner)
Bass Extension (-3dB)34Hz (measured, Erin’s Audio Corner)
BluetoothNo
Coaxial InputNo
DSPYes
Dimensions22.5”H x 14”W x 13.6”D (571.5 x 355.6 x 345.4 mm)
DriversDual 263 x 137 mm woofers, 5.1” coaxial with tweeter midrange, 1” (25mm) coaxial tweeter
EQYes (via GLM software)
Frequency Response30Hz - 43kHz (±2dB) (Manufacturer specified)
HDMI InputNo
InputsXLR
Maximum SPL118dB @ 1m (manufacturer specified)
Optical InputNo
RCA InputNo
Spinorama Preference Score6.76
Spinorama Preference Score with Perfect Sub8.08
TRS InputNo
USB InputNo
Weight70.3 lbs (31.9 kg) each
XLR InputYes

JBL 4329P: $4,500 per pair Discontinued eBay

JBL 4329P ranking card

Pros: Measured -3dB extension of 32.2Hz provides deeper native bass than the smaller 4305P. Integrated amplification and streaming make it convenient for a full-range living-room system, and its larger format is useful when scale matters. Measured bass extension of 31Hz (-3dB), with a measured sensitivity of 102.2dB.

Cons: The measured 4.5dB response span from 300Hz to 5kHz includes a notable midrange dip, so it is not as neutral as its size and price might suggest. Its 6.72 ideal-subwoofer score trails the 4305P. There is no HDMI connection for the simplest TV hookup. Discontinued.

AES InputNo
Amplifier Power300W RMS per speaker (600W total system power)
Aux InputYes
Bass Extension (-10dB)27Hz (measured, Erin’s Audio Corner)
Bass Extension (-3dB)31Hz (measured, Erin’s Audio Corner)
BluetoothYes, 5.3
Bluetooth CodecsSBC, aptX Adaptive
Coaxial InputNo
Dimensions20.3”H x 12.6”W x 12.7”D
Drivers8” midwoofer, 1” compression driver with JBL High-Definition Imaging horn
Frequency Response30Hz - 20kHz (anechoic, manufacturer specified)
HDMI InputNo
InputsUSB, Optical, Bluetooth, Analog, 3.5mm, AirPlay 2
Optical InputYes
RCA InputNo
Sensitivity102.2dB (measured at 0.3V/1m, Erin’s Audio Corner)
Spinorama Preference Score5.40
Spinorama Preference Score with Perfect Sub6.72
TRS InputNo
USB InputYes
Weight34.4 lbs (15.6 kg) (primary), 34.4 lbs (15.6 kg) (secondary)
Woofer Cabinetported
XLR InputNo