{"id":19084,"date":"2019-11-12T08:26:58","date_gmt":"2019-11-12T08:26:58","guid":{"rendered":"https:\/\/audiocentras.lt\/produktas\/steg-ms-650-coaxial-speaker\/"},"modified":"2026-09-29T15:58:59","modified_gmt":"2026-09-29T15:58:59","slug":"steg-ms-650-coaxial-speaker","status":"publish","type":"product","link":"https:\/\/audiocentras.lt\/en\/produktas\/steg-ms-650-coaxial-speaker\/","title":{"rendered":"Steg MS 650 Coaxial Speaker"},"content":{"rendered":"

Steg MS 650<\/strong> is a 6.5-inch coaxial speaker designed for in-car audio systems. It has a continuous power rating of 60 W RMS<\/strong> and a nominal impedance of 3 ohms<\/strong>. These figures are important when choosing an amplifier and setting its gain correctly.<\/p>\n

The coaxial design places the tweeter and woofer in a single mounting position, eliminating the need for a separate tweeter opening. This makes the speaker suitable for replacing factory-fitted car speakers or building a compact audio system.<\/p>\n

Design and purpose<\/h2>\n

The tweeter<\/strong> is mounted in the centre of the woofer. During installation, make sure that this central section does not interfere with the speaker grille or door trim. The integrated arrangement also simplifies matching the installation layout on the left and right sides of the vehicle interior.<\/p>\n

The tweeter uses a silk diaphragm<\/strong>, while the woofer has a paper cone<\/strong>. When installing the speaker in a door, protect the cone against direct exposure to water and moisture.<\/p>\n

The nominal 6.5-inch size identifies the speaker class rather than the exact dimensions of the required opening. Your installation decision should therefore be based on the specified cut-out diameter and mounting depth.<\/p>\n

Choosing an amplifier or source unit<\/h2>\n

A nominal impedance of 3 ohms<\/strong> presents a heavier load to an amplifier than a conventional 4-ohm speaker. Use an amplifier or car head unit with an output stage designed to operate safely with this load.<\/p>\n

Assess amplifier output using its continuous power rating rather than short-term promotional figures. The gain control is not a volume control. It must be matched to the source unit\u2019s output level so that the signal is not overloaded.<\/p>\n

The stated 88 dB sensitivity<\/strong> is measured with 1 W of input power at a listening distance of one metre. When comparing this model with other speakers, use figures measured under the same conditions. Results obtained using different test conditions cannot be compared directly.<\/p>\n

Installation in a vehicle<\/h2>\n

The speaker requires a 144 mm mounting cut-out<\/strong> and at least 64 mm of mounting depth<\/strong>. Before fitting it in a door, check the movement of the window glass, the window mechanism and the interior trim.<\/p>\n

The grille or door panel must not touch the cone while it is moving. If the factory opening does not match the required dimensions, a separate mounting adapter may be needed. An adapter can also help maintain sufficient clearance from the window mechanism.<\/p>\n

The mounting surface should be rigid and level. A poorly sealed or vibrating mounting position can weaken bass reproduction. It may also produce unwanted noises that do not originate from the speaker itself.<\/p>\n

Maintain the same polarity<\/strong> on both sides of the vehicle when connecting the speakers. If the positive and negative wires are reversed on one channel, bass output at the listening position may become noticeably weaker.<\/p>\n

Setting the frequency filters<\/h2>\n

The specified 60-20,000 Hz<\/strong> frequency range does not extend to the deepest bass frequencies, so the system can be complemented with a subwoofer.<\/p>\n

If the amplifier includes a high-pass filter, adjust its cutoff gradually while listening for distortion and observing cone movement. At higher listening levels, check whether audible distortion appears. If it does, raise the filter cutoff in gradual steps.<\/p>\n

When a subwoofer is used, the transition between the two operating ranges should be adjusted while listening from the driver\u2019s seat. Too much overlap can exaggerate a particular part of the bass range, while too wide a gap can leave an audible lack of energy.<\/p>\n

Begin with the tone controls or equalisation set to neutral. Set the gain and filters first, then adjust the tonal balance. Heavy bass boost reduces the available power headroom.<\/p>\n

Using the speaker in a complete system<\/h2>\n

For a stereo system, use matching speakers on the left and right sides. Install them at positions that are as similar as possible in height and distance from the listeners. Differences in door construction can alter the perceived balance, so adjust the channel levels from the driver\u2019s seat.<\/p>\n

This model can serve as the main front or rear speaker in a vehicle audio system. The appropriate location depends on the dimensions of the opening and the load supported by the amplifier. It may fit a factory door or rear-shelf position when the mounting dimensions match.<\/p>\n

In a multichannel system, set the level of each speaker pair separately if the amplifier provides that option. Rear speakers should not overpower the front soundstage. Adjust the subwoofer level only after the main channels have been configured.<\/p>\n

Technical specifications<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Model<\/th>\nSteg MS 650<\/td>\n<\/tr>\n
Type<\/th>\nCoaxial car speaker<\/td>\n<\/tr>\n
Nominal size<\/th>\n6.5 inches<\/td>\n<\/tr>\n
Design<\/th>\nCentrally mounted coaxial tweeter, single point source<\/td>\n<\/tr>\n
Continuous power rating<\/th>\n60 W RMS<\/td>\n<\/tr>\n
Impedance<\/th>\n3 ohms<\/td>\n<\/tr>\n
Sensitivity<\/th>\n88 dB at 1 W \/ 1 m<\/td>\n<\/tr>\n
Frequency range<\/th>\n60-20,000 Hz<\/td>\n<\/tr>\n
Tweeter diaphragm material<\/th>\nSilk<\/td>\n<\/tr>\n
Woofer cone material<\/th>\nPaper<\/td>\n<\/tr>\n
Mounting cut-out diameter<\/th>\n144 mm<\/td>\n<\/tr>\n
Mounting depth<\/th>\n64 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

FAQ<\/h2>\n

What is this speaker designed for?<\/h3>\n

It is designed for an in-car audio system that can accommodate a 144 mm mounting cut-out, 64 mm of mounting depth and a 3-ohm load.<\/p>\n

Can it be connected directly to a car head unit?<\/h3>\n

Only if the head unit\u2019s output stage is designed for the specified load. An unsuitable load can cause the output stage to overheat or become overloaded.<\/p>\n

How should I choose a suitable amplifier?<\/h3>\n

Check whether the amplifier is designed to operate with low-impedance speakers and assess its continuous power output per channel. Adjustable filter options are also important.<\/p>\n

Does this model replace a subwoofer?<\/h3>\n

No. Its operating range does not include the deepest frequencies. A subwoofer can complement the system by reproducing the lowest part of the frequency range.<\/p>\n

Is one speaker enough for a stereo system?<\/h3>\n

Stereo sound requires separate left and right channels. Using matching speakers on both sides helps maintain a consistent tonal character.<\/p>\n

What must be checked before installing it in a car door?<\/h3>\n

Check the opening, available depth, movement of the window mechanism and clearance from the trim. Neither the cone nor its surround should touch the grille.<\/p>\n

What indicates that the filter cutoff should be raised?<\/h3>\n

Raise the cutoff if distortion becomes audible as the volume is increased or if the speaker shows excessive cone movement.<\/p>\n","protected":false},"excerpt":{"rendered":"

Steg MS 650<\/strong> is a 6.5-inch coaxial speaker for in-car audio systems. Its centrally mounted tweeter forms an integrated coaxial design. The model is rated at 60 W RMS, while its 3-ohm impedance requires an amplifier designed for the appropriate load. Installation requires a 144 mm cut-out and 64 mm of mounting depth.<\/p>\n","protected":false},"featured_media":19079,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_members_access_role":[],"_members_access_error":""},"product_brand":[216],"product_cat":[439],"product_tag":[2152,865,897,1386,298],"class_list":["post-19084","product","type-product","status-publish","has-post-thumbnail","product_brand-steg","product_cat-car-audio","product_tag-3-ohm-speakers","product_tag-6-5-inch-speakers","product_tag-car-audio","product_tag-coaxial-speakers","product_tag-steg","first","instock","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"\nSteg MS 650 - 6.5-Inch Car Speaker<\/title>\n<meta name=\"description\" content=\"Steg MS 650 coaxial car speaker with 60 W RMS power, 3-ohm impedance and 64 mm mounting depth.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/audiocentras.lt\/en\/produktas\/steg-ms-650-coaxial-speaker\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Steg MS 650 Coaxial Speaker\" \/>\n<meta property=\"og:description\" content=\"Steg MS 650 coaxial car speaker with 60 W RMS power, 3-ohm impedance and 64 mm mounting depth.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/audiocentras.lt\/en\/produktas\/steg-ms-650-coaxial-speaker\/\" \/>\n<meta property=\"og:site_name\" content=\"audio centras\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Audiocentras\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-29T15:58:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/audiocentras.lt\/wp-content\/uploads\/2026\/09\/steg-ms-650-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1453\" \/>\n\t<meta property=\"og:image:height\" content=\"813\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/audiocentras.lt\\\/en\\\/produktas\\\/steg-ms-650-coaxial-speaker\\\/\",\"url\":\"https:\\\/\\\/audiocentras.lt\\\/en\\\/produktas\\\/steg-ms-650-coaxial-speaker\\\/\",\"name\":\"Steg MS 650 - 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