Neumann KH 310 A vs JBL 4329P

Short answer: the JBL 4329P for full-range bass, the Neumann KH 310 A for directivity control. The 4329P’s anechoic response extends to 30Hz with a measured F3 of 31Hz and reaches into the low 20s in-room, with strong bass authority. The KH 310 A counters with a near-perfect on-axis response and superb directivity control, though it has an unidentified dip around 80Hz.

On the Neumann KH 310 A side: CEA2034 spinorama shows a near-perfect on-axis response with superb directivity control and minimal off-axis variation. Set against that: An unidentified dip around 80Hz shows up in the measurements, which Neumann was asked to investigate.

What the JBL 4329P offers: 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. Watch for: No HDMI input, a real drawback if you want to run these directly off a TV’s ARC.

Buy the Neumann KH 310 A. It is rated higher for sound quality and still sold new, while the JBL 4329P is discontinued.

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Specifications Side By Side

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The Two Speakers In Full

Neumann KH 310 A: $4,998 per pair B&H Photo Video eBay

Pros: The sealed three-way design combines 35.2Hz measured -3dB extension with low distortion in the review’s demanding playback tests. Its 2.2dB response span from 300Hz to 5kHz and 7.70 ideal-subwoofer score support balanced monitoring with useful full-range capability. Measured bass extension of 35.2Hz (-3dB).

Cons: Its measured tonal balance is not as even as the KH 150 or the best coaxial alternatives. Correct orientation and listening height matter for the separated drivers. The analog system lacks the integrated calibration workflow of newer DSP models, so room correction requires additional equipment. An unexplained dip around 80Hz shows in the measurements.

Full Neumann KH 310 A review and specifications →

AES Input	No
Amplifier Power	290W total (150W woofer, 70W mid, 70W tweeter)
App	No
Aux Input	No
Bass Extension (-10dB)	28.3Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points)
Bass Extension (-3dB)	35.2Hz (measured, Audio Science Review)
Bluetooth	No
Coaxial Input	No
DSP	No
Dimensions	10” x 15.1” x 11.5” (253 x 383 x 292 mm) (H x W x D)
Drivers	8.25” woofer, 3” midrange, 1” tweeter
EQ	No
Frequency Response	34Hz - 21kHz (+/-3dB) (Manufacturer specified)
HDMI Input	No
Inputs	XLR (balanced analog)
Optical Input	No
RCA Input	No
Spinorama Preference Score	6.21
Spinorama Preference Score with Perfect Sub	7.70
TRS Input	No
USB Input	No
Weight	28.7 lbs (13.0 kg)
XLR Input	Yes

• Links
  • Official Neumann KH 310 A Product Page
• Reviews, Comparisons and Sound Samples
  • Audio Science Review Measurements More from Audio Science Review →
  • Audio Science Review Measurements (spinorama.org)
• Head-to-Head Comparisons
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JBL 4329P: $4,500 per pair Discontinued eBay

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.

Full JBL 4329P review and specifications →

AES Input	No
Amplifier Power	300W RMS per speaker (600W total system power)
Aux Input	Yes
Bass Extension (-10dB)	27Hz (measured, Erin’s Audio Corner)
Bass Extension (-3dB)	31Hz (measured, Erin’s Audio Corner)
Bluetooth	Yes, 5.3
Bluetooth Codecs	SBC, aptX Adaptive
Coaxial Input	No
Dimensions	20.3”H x 12.6”W x 12.7”D
Drivers	8” midwoofer, 1” compression driver with JBL High-Definition Imaging horn
Frequency Response	30Hz - 20kHz (anechoic, manufacturer specified)
HDMI Input	No
Inputs	USB, Optical, Bluetooth, Analog, 3.5mm, AirPlay 2
Optical Input	Yes
RCA Input	No
Sensitivity	102.2dB (measured at 0.3V/1m, Erin’s Audio Corner)
Spinorama Preference Score	5.40
Spinorama Preference Score with Perfect Sub	6.72
TRS Input	No
USB Input	Yes
Weight	34.4 lbs (15.6 kg) (primary), 34.4 lbs (15.6 kg) (secondary)
Woofer Cabinet	ported
XLR Input	No

• Links
  • Official JBL 4329P Product Page
• Reviews, Comparisons and Sound Samples
  • Erin’s Audio Corner: JBL 4329P Will Rock Your Socks Off! More from Erin’s Audio Corner →
  • Erin’s Audio Corner Website: JBL 4329P
  • Erin’s Audio Corner Measurements (spinorama.org)
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