L-Acoustics X15 HiQ vs Vue Audiotechnik H-15

Short answer: the L-Acoustics X15 HiQ. It ranks #2 of 38 15-inch pa speakers by sound quality (rated 4.4/5); the Vue Audiotechnik H-15 ranks #3 (rated 4.3/5).

What the L-Acoustics X15 HiQ does well: Vendor Spinorama data gives preference scores of 5.31 standalone and 8.06 with an ideal subwoofer, the highest ideal-subwoofer score in the 15-inch ranking. The tradeoff: This passive monitor needs an L-Acoustics amplified controller such as the LA4X or LA12X to work at all.

What the Vue Audiotechnik H-15 does well: Low-quality vendor data still returns a strong 6.1 ideal-subwoofer preference score with roughly 70Hz extension, continuing the h-Class’s beryllium-diaphragm compression driver and narrow, feedback-resistant 60° x 40° pattern from the h-12. The catch: At 38kg and a $6500 asking price this is among the heaviest and most expensive 15-inch boxes here, aimed at rental and touring use rather than casual portability.

Buy the L-Acoustics X15 HiQ. It is rated higher for sound quality than the Vue Audiotechnik H-15.

Want more options? Browse the full PA & Live Sound rankings.

Specifications Side By Side

Related Speaker Comparisons

More worthwhile head-to-heads for L-Acoustics X15 HiQ:

• L-Acoustics X15 HiQ vs RCF ART 945-A
• L-Acoustics X15 HiQ vs RCF KX 45-A
• Vue Audiotechnik H-15 vs RCF KX 45-A
• RCF ART 945-A vs Vue Audiotechnik H-15
• Vue Audiotechnik H-15 vs HK Audio LINEAR 7 115 FA

Prices on this page were last checked September 26, 2026 at 11:14 PM 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

L-Acoustics X15 HiQ Passive eBay

Pros: Vendor Spinorama data gives preference scores of 5.31 standalone and 8.06 with an ideal subwoofer, the highest ideal-subwoofer score in the 15-inch ranking. Listening-window narrow-band deviation is a low 0.186 and predicted in-room smoothness is 0.703, so vocals and stage-monitor mixes stay clean. Bass reaches about 73Hz (-3dB) with a 138dB maximum SPL from a 21kg coaxial cabinet. Measured bass extension of 73Hz (-3dB).

Cons: This passive monitor needs an L-Acoustics amplified controller such as the LA4X or LA12X to work at all. Its narrow 40° x 60° pattern suits a stage monitor but covers less of a room than wider mains. Bass reaches only about 73Hz (-3dB), so a subwoofer is still needed for full-range music.

Full L-Acoustics X15 HiQ review and specifications →

AES Input	No
Amplifier Power	Passive speaker; requires an L-Acoustics amplified controller (LA4X, LA12X or LA7.16i)
Aux Input	No
Bass Extension (-3dB)	73Hz (measured, vendor Spinorama data)
Bluetooth	No
Cabinet Material	Baltic birch and beech plywood
Coaxial Input	No
Configuration	Passive 2-way coaxial PA stage monitor
Coverage	40° x 60°
DSP	No (passive; processing and protection come from the amplified controller)
Drivers	15” neodymium woofer, 3” neodymium compression driver (coaxial)
Frequency Response	55Hz - 20kHz (manufacturer specified)
Guitar Input	No
HDMI Input	No
Inputs	Speakon input and link
Maximum SPL	138dB (manufacturer specified)
Microphone Input	No
Optical Input	No
RCA Input	No
Rigging	Two handles, M8 and four M10 threaded inserts, two 35mm pole sockets
Spinorama Preference Score	5.31
Spinorama Preference Score with Perfect Sub	8.06
TRS Input	No
USB Input	No
Weight	46.3 lbs (21 kg)
XLR Input	No

• Links
  • L-Acoustics X15 HiQ Product Page
• Reviews, Comparisons and Sound Samples
  • Spinorama Measurements
• Head-to-Head Comparisons
  • L-Acoustics X15 HiQ vs RCF ART 945-A
  • L-Acoustics X15 HiQ vs RCF KX 45-A

Vue Audiotechnik H-15: $6,500.00 eBay

Pros: Low-quality vendor data still returns a strong 6.1 ideal-subwoofer preference score with roughly 70Hz extension, continuing the h-Class’s beryllium-diaphragm compression driver and narrow, feedback-resistant 60° x 40° pattern from the h-12. Measured bass extension of 90Hz (-3dB).

Cons: At 38kg and a $6500 asking price this is among the heaviest and most expensive 15-inch boxes here, aimed at rental and touring use rather than casual portability. The low-quality measurement source limits confidence in the exact result.

Full Vue Audiotechnik H-15 review and specifications →

AES Input	Yes
Amplifier Power	1,105W long-term (830W LF + 275W HF); 2,400W burst (2,000W LF + 400W HF)
Aux Input	No
Bass Extension (-3dB)	90Hz (measured, vendor Spinorama data)
Bluetooth	No
Cabinet Material	Multi-ply birch hardwood
Coaxial Input	No
Configuration	Active 2-way bass-reflex PA speaker
Coverage	60° x 40°
DSP	Yes
Dimensions	27.2”H x 17.2”W x 18”D (692 x 438 x 457 mm)
Drivers	15” woofer, beryllium-diaphragm compression driver
Frequency Response	42Hz - 21kHz (±1.5dB, manufacturer specified)
Guitar Input	No
HDMI Input	No
Inputs	XLR analog/AES input with XLR loop output
Maximum SPL	136dB peak (manufacturer specified)
Microphone Input	No
Network Control	Ethernet/IP remote monitoring and control
Optical Input	No
RCA Input	No
Rigging	Integrated M10 fly points plus built-in pole mount; optional flying hardware for array/support configurations
Spinorama Preference Score	3.10
Spinorama Preference Score with Perfect Sub	6.07
TRS Input	No
USB Input	No
Weight	83.8 lbs (38 kg)
XLR Input	Yes

• Links
  • VUE Audiotechnik H-15 Product Information
• Reviews, Comparisons and Sound Samples
  • Spinorama Measurements
• Head-to-Head Comparisons
  • Vue Audiotechnik H-15 vs RCF KX 45-A
  • Vue Audiotechnik H-15 vs RCF ART 945-A
  • Vue Audiotechnik H-15 vs HK Audio LINEAR 7 115 FA
  • Vue Audiotechnik H-15 vs RCF NX 945-A