Subwoofers

JL Audio E-Sub E112 Powered Subwoofer Review

ARTICLE INDEX

The JL Audio E-Sub E112 Powered Subwoofer On The Bench

All the below measurements are in-room response. The distortion measurements are performed on-axis in the near field to mitigate any room boundary effects. The frequency response tests are performed at 1-meter on-axis.

JL Audio E-Sub E112 Powered Subwoofer Review

At 80Hz and 120dB, the distortion (THD+N) was 1.60%.

JL Audio E-Sub E112 Powered Subwoofer Review

Tested at 50Hz, the distortion dropped and measured only 0.76%.

JL Audio E-Sub E112 Powered Subwoofer Review

The 31.5Hz plot showed more pronounced harmonics, but the measured THD+N was still well below the threshold of audibility at 3.57%.

JL Audio E-Sub E112 Powered Subwoofer Review

Tested at 20 Hz, the e112 sub hit the level of audible distortion (10%) at 113 dB.

JL Audio E-Sub E112 Powered Subwoofer Review

This is the same test, but the test tone was at 16 Hz. This brought about audible distortion at 103 dB. This is an excellent result for a small subwoofer.

JL Audio E-Sub E112 Powered Subwoofer Review

The plot above is the standard in-room frequency response test. This result shows the pronounced boundary and room-induced modal effects of the unequalized e112 subwoofer.

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