Auralex Acoustics Lenrd Bass Traps Charcoal 4

Acoustics LENRD bass traps charcoal

  • Bass absorber set for room corners with 4x LENRD bass traps (LENRD is short for "low-end-node-reduction-device")
  • Dimensions (1 piece): 30,5 x 30,5 x 61
  • Colour: Anthracite
  • For handling and attaching, acoustic adhesive Art. 177265 is recommended

Further Information

Material Foam
Colour Anthracite
60 Customer Ratings:
  • 5
  • 4
  • 3
  • 2
  • 1
4.6 /5
  • quality
Total
quality
An expensive foam with little gain, but much too lose
tdd587, 01.08.2017
Bought a pack of these because of space reasons into an already treated stereo & home cinema environment. I have some very special corners by the ceiling, which should be treated in the bass range but the space is very limited so anything bigger or heavier than the LENRD was out of the question. Anyway, I also measured its performance in places where other bigger products could be placed as well for comparison.

As it is a foam product around 25kg/m3 density with some zig-zag facing the room the biggest issue is that it simply does not have enough depth to reach the low ends. It does not mean that there is no effect below 100Hz, but to have a real impact you should place a lot of them into the room. The effect of 4 pieces (a pack) is measurable down to 50Hz (rather in the time domain and not in the frequency domain and still very subtle - but there it is anyway) but it is not nearly enough to fix low-end modes.

In addition, as this is a foam product without any wooden panels on it, if you put too many into the room, you can easily kill the highs and then the mid-range as well - and still not there in terms of controlling the bass. In my case with unclever placing with just 4 of these, I could easily remove 50ms reverberation time in the 500-2000Hz range, which is a very serious loss for an already treated room.

Pros: small and light, easy to install, official performance is available on the manufacturer's website, so you can plan before buying.

Cons: very expensive for a simple foam, very subtle effect below 100Hz, absorption of mids and highs are not limited in any way, placing too many into a room is not a good idea as there is no balance in low-mid-high absorption.

Verdict: As it is rather expensive product, I would only recommend it if you know what you are doing - and can deal with the consequences. If you do not plan and rather go for the trial and error route, well you had better choose a less expensive foam for that.
Helpful · Not helpful · Report
Report rating…

Do you believe this rating to be inaccurate or unacceptable for some reason?

Send report
Total
quality
21.06.2015
I had initially 8 units in my rectangle room but still resonances were going on.
had to buy more 8 to cover all the corners from the floor to the ceiling.
now with 16 units the diference can be heard but the resonance did not disappear completely. for the price they should be better.
Anyway i found the perfect combo. just added an ARC 2 with it and the room in now sounding almost perfect( still this little bit of resonance @120hz is around but almost inaudible)
Helpful · Not helpful · Report
Report rating…

Do you believe this rating to be inaccurate or unacceptable for some reason?

Send report
Total
quality
Good bass traps
K.A., 23.10.2018
With that set of bass traps I immediately felt the difference at the low end of my home studio. I wish I had more space to put another one set.
They give me much more tight bass than before so I am happy with them!
Helpful · Not helpful · Report
Report rating…

Do you believe this rating to be inaccurate or unacceptable for some reason?

Send report
Total
quality
Acoustic Treatment done right!
Constantinos, 13.06.2015
After 9 years of mixing in untreated room finally i decided to treat my room... not only that... my lil home studio is really really ridiculously good looking now :D
Helpful · Not helpful · Report
Report rating…

Do you believe this rating to be inaccurate or unacceptable for some reason?

Send report
£172
Free shipping incl. VAT
Available immediately
Available immediately

This item is in stock and can be dispatched immediately.

Standard Delivery Times
Quantity Discounts
Quantity Price each You save
1 £172
3
£169 1.74 %
5
£165 4.07 %
Share This Product
Your Contacts
Phone: +49-9546-9223-30
FAX: +49-9546-922328
Online Guides
Studio Acoustics
Studio Acoustics
For many ambitious home recording enthusiasts, acoustics is only a sideshow. This online guide will show you why you should still spare a thought for your studio's acoustics.
 
 
 
 
 
test results:
Offers include VAT and are valid as long as stocks last. We do not accept liability for typographical errors or inaccurate information of any kind. *RRP = manufacturer's / distributor's recommended retail price in Germany
(73)
Recently Viewed
Presonus AudioBox USB 96 Black

USB Interface 2 x 2 USB 2.0 interface 24-bit / 96 kHz, 2 Mic / instrument inputs: XLR combo jack, 2 Line outputs: 6.3 mm jack balanced, MIDI input and output, Stereo headphone output: 6.3 mm jack, USB 2.0...

Recently Viewed
American Audio DB Display MKII

American Audio DB Display MKII; Designed to set in an amp rack to view your decibel level; Creates a great light show in your amp rack; Display progresses from green through amber to red; Sensitivity adjustment on both left and...

Recently Viewed
Marshall Stockwell II Black

Marshall Stockwell II Black Bluetooth Speaker, 2x 10 W Woofer, 2x 5W Tweeter, class D amplifier, bluetooth 5.0, Multi-Host-Funktion (simply switch between two bluetooth devices), frequency 60-20000 Hz, input: 1x 3,5mm stereo jack, controls: volume, bass & treble, upt to...

Recently Viewed
DAngelico Deluxe Bedford Nat Swamp Ash

Electric guitar Body: swamp ash, 3-Piece neck: maple / walnut / maple, Fretboard: Pau Ferro, Mother of Pearl - Abalone Split Block fretboard inlays, Matte neck finish, Neck profile: C, Scale: 629 mm (24.75"), Nut width: 43 mm, Pickups:...

Recently Viewed
Zoom G 11 Guitar Multi Effect

Multi-Effects Processor for Electric Guitar Integrated pedalboard with separate amplifier control panel, 5 foot switches and one expression/volume pedal, Coloured LCD touchscreen surface with drag-and-drop and swipe functionality for simple and quick operation, Effects chains with up to 9...

Recently Viewed
Ortega NL-Walker-WH

Ortega NL-Walker-WH classical guitar, traveler Series, cutaway, agathis body, mahogany neck, sonokelin fretboard & bridge, scale 625mm, 19 frets, nut width 43mm, b-band A1.2 pickupsystem, finish white gloss, incl. gig bag, original strings Savarez 510CJ

(1)
Recently Viewed
Behringer CP1A

Behringer CP1A; power supply module for Eurorack systems; LED indicators for +12V, -12V and +5V rails; connectors for 2 flying bus boards; power rating: 1A (+12V) / 1A (-12V) / 0.5A (+5V); width: 4 HP; depth: 52mm: including: external power...

Recently Viewed
Synapse Audio Obsession

Synapse Audio Obsession (ESD); virtual synthesizer; meticulous and faithful emulation of an analog polyphonic classic synth; two parts engine with 8 or 16 voice boards; single, dual and split modes; comprehensive set of parameters per voice; comprehensive modulation capabilities; 2...

(1)
Recently Viewed
Celemony Melodyne 5 studio UD 4 studio

Pitch and Timing Correction Software and Plugin (download) Update from Celemony Melodyne 4 studio to Melodyne 5 studio Largely free processing of monophonic and polyphonic audio material at the frequency and time level in excellent sound...

(1)
Recently Viewed
Behringer MIC2200 V2

Behringer MIC 2200 V2 Ultragain Pro - Audiophile Vacuum Tube Microphone/Line Preamplifier; 2-channel; wide bandwidth from 10 Hz to 200 kHz for "open" sound; switchable 48V phantom power; Integrated fully parametric EQs with dedicated center frequency, bandwidth and level controls;...

Recently Viewed
Turbosound TS-12W350/8W

Turbosound TS-12W350/8W, 12" Woofer, 8 Ohms, 350 Watts RMS, 1400 Watt Peak, 61 Hz - 3 kHz, SPL: 95 dB (1 W / 1 m), Rigid aluminum die-cast frame, Mounting hole diameter: 299 mm (11.77"), Overall Diameter: 316 mm (12.44"),...

(1)
Recently Viewed
Source Audio SA 270 - One Series EQ2

Source Audio SA 270 - One Series EQ2 Programmable Equalizer; 10-band equalizer effects pedal, 10 adjustable frequency bands ranging from 31 Hz to 16 kHz with +/- 18 dB boost/cut for each band, parametric equalization capabilities to adjust the frequency...

Give Feedback
Feedback Found an error or want to give us feedback about this page?

We're looking forward to hearing from you and aim to solve any problems as soon as we can.