Helos 10

High-Performance In-Ceiling For Small and Mid-Sized Rooms

Lifelike imaging from a very compact, high-performance, in-ceiling speaker.

Helos 10 is suitable for any application in average to small rooms. Ideal for use in a multi-channel home theater as a surround speaker, in a kitchen as 2-channel stereo speaker, or in a hallway as a single-channel distributed audio speaker. The Helos 10 delivers legendary MartinLogan quality and performance in a compact, high-resolution in-ceiling loudspeaker. Featuring a 1-inch neodymium soft dome tweeter mounted in an aimable stem, high-rigidity aluminum cone woofer, and proprietary Vojtko crossover topology, Helos 10 effortlessly provides extreme sonic accuracy.

Launched in 2008

Price when discontinued:
$299.00 each

Press For Helos 10

Helos 10 Specifications

Specifications are subject to change without notice

Frequency Response

47–20,000 Hz ±3dB

High Frequency Transducer

1" (2.5 cm) neodymium soft-dome tweeter


Pivoting Tweeter Stem

Low Frequency Transducer

6.5" (16.5 cm) cast basket, high rigidity aluminum cones with extended throw drive assembly, thermal protection


89 dB/2.83 volts/meter


4 Ohms Compatible with 4, 6, or 8 Ohm rated amplifiers.

Recommended Amplifier Power

20—200 watts per channel

Crossover Frequency

2800 Hz


Air core coils, polyester capacitors


Binding posts


4.5 lbs. (2 kg)

Cut-Out Dimensions

8.35" x 8.35"
(21.2 cm x 21.2 cm)

Projection From Wall Surface

0.4" (1cm)

Depth Behind Wall Surface

4.5" (11.4 cm)

Customer Reviews For Helos 10

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Jitendra K.

  • Saturday, April 10, 2010

You can never go wrong with ML
Great speaker, quality and performance, i have seen from ML, i have bought 2 helos10 and 10 helos20 and still planning to buy 25 more as my friends also want to buy. I would always say you can never go wrong with ML speaker.