Quick answer: In a language class, learners must hear small differences in sounds, like "ship" and "sheep". Echo blurs those sounds, which makes listening harder for people still learning the language. Acoustic panels on the back and side walls clear up the room. A small 10-seat room may need 8 to 12 panels, about S$1,480 to S$2,220 installed.

Key takeaways

  • New learners need clearer sound than native speakers.
  • Echo blurs small sound differences.
  • A small room is about S$1,480 to S$2,220.

Why does echo hurt language learning?

Native speakers fill in missed sounds from context. New learners cannot do that as easily. When echo smears the end of each word, they miss endings, tones and small vowel changes. They then rely more on guessing, which slows learning.

Which languages are most affected?

Any language with sounds that are close together. Tonal languages like Mandarin rely on pitch. English has many short vowels and word endings. In every case, a clear room makes the teacher easier to copy and understand.

Not sure what your room needs? Send us a photo on WhatsApp or request a free quote. We'll tell you how many panels, where they go and the price. See our acoustic panels for schools and recent projects.

Clearer sound for learners infographic
Echoey room vs treated room diagram

Where should panels go?

Start with the back wall, which bounces the teacher's voice back to the class. Then add panels on the upper side walls. In rooms with a hard ceiling, a few ceiling panels help a lot. See where to place panels first.

How many panels does each room need?

A small room for 8 to 12 learners is similar to a meeting room, so 8 to 12 panels. A full classroom of 8 × 6 m needs 20 to 28. We can work this out from photos. See how many panels you need.

What does it cost?

Each panel costs from S$185, supplied and installed. Ten panels cost about S$1,850. A centre with five small rooms at 10 panels each would spend about S$9,250. Starting with the busiest room is a sensible first step.

What about online and hybrid classes?

If you stream lessons, echo sounds even worse on a laptop mic. Panels make the teacher's voice cleaner for online learners too. Panels on the wall behind the teacher and the wall facing them help the mic most. See echoey video calls.

Listening tests

If you run listening exams, a room with less echo makes recorded audio clearer and fairer to every seat. In a hard room, the audio blurs most for learners at the back. Panels on the back wall help most, since that is where sound bounces back to the class.

Colours

You can pick your brand colour for one feature panel and neutral colours for the rest. There are 39 fabric colours to choose from. Printed panels can carry a logo or a map, and panels are made to order in about 4–6 weeks.

What we see on real jobs

Small language rooms are quick jobs, often a few hours each. With less echo, the room sounds less hollow straight away.

Get a straight answer for your room

Send a photo of the classroom or studio on WhatsApp (+65 8930 1905) with its rough size. We'll recommend panels for clearer lessons and schedule installation around your classes or school holidays.

WhatsApp us a photo · Request a free quote · See prices

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