Boston Acoustics M340 Unpacking the System, Grilles, Feet & Spikes, Where to Place the Speakers

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Unpacking the System

Carefully unpack the speakers. If there is any sign of damage from transit, report it immediately to your dealer or delivery service. Retain the shipping carton and packing materials for future use.

Grilles

The cloth grilles should remain on the speaker during normal use. However, to remove a grille, use your fingers to carefully pry the top edge of the grille away from the cabinet so you can insert your fingers between the grille and the cabinet. Then slide your fingers down the inside of the grille frame from top to bottom which will cause the grille to pop free. The grille is NOT designed to be removed by only pulling on one side. The pins that hold the grille can be damaged. Also, do not use any objects other than your fingers to remove the grille as the finish or grille may be damaged. Be careful to keep rings, watches and other sharp objects from scratching the finish or tearing the grille cloth.

To replace the grille, carefully align the two pins at the top of the grille with their corresponding grommets and gently push them in until the grille is supported by the grommets. Then work your way down the grille gently pushing the grille pins into the grommets evenly until the grille is fully seated. Be careful to align the pins with the grommets so the cabinet, grille pins and grommets are not damaged. Also, take care to support the speaker so it does not tip over or fall off its mounting location while the grille is being removed or replaced. MCenter Note: The same grille removal and replacement procedures apply to the MCenter except you will begin at the left or right side and work towards the opposite side. MSubwoofer Note: The MSubwoofer grille is not removable.

Feet & Spikes

The M350, M340 and M250 come with rubber feet installed at the factory which are ideal for hardwood floors. Spikes are also included for placement on a carpeted surface. To install the spikes, carefully lay the speaker on its back on a soft, debris-free surface and remove the rubber feet by hand turning them counter-clockwise. Thread the spikes by hand to make sure they are inserted properly. Save the rubber feet for future use.

The M25, MCenter, and MSurround come with rubber stand-offs that are designed to be attached to the bottom of the loudspeaker when stand, shelf or cabinet mounting. This will minimize the vibration transferred from the loudspeaker to the stand, shelf or cabinet. It will also help to protect the finish of the loudspeaker and the mounting location. The MSubwoofer comes with rubber feet installed at the factory.

MSurround Note: It is recommended to mount the rubber stand-offs on the back of the side panels of the MSurround if it is going to be wall mounted. This will minimize the amount of vibration that is transferred directly to the wall. You may need to adjust the depth of the mounting screws to help ensure that the speaker is not mounted too loosely or too tightly.

Where to Place the Speakers

Position subwoofer

in corner for maximum bass output

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Contents Series Canadian Users American UsersIntroduction FeaturesMCenter MSurround M25 MSubwoofer M250 M340 M350Specifications Unpacking the System Where to Place the SpeakersGrilles Feet & SpikesFront Left and Right Speakers ConnectionsCenter Speaker Surround SpeakersSubwoofer Multi-Channel AVR or Preamp Connecting to Electronics Without a Subwoofer OutputSpeaker level Adjusting the Crossover ControlSingle conductor RCA to RCA ground cable Use either RCA jack Back of subwooferMSubwoofer Operation Maintenance and ServiceFor EU Customers Only Limited WarrantyIf Service Seems Necessary Usuarios canadienses Usuarios estadounidensesCaracterísticas IntroducciónEspecificaciones Rejillas Desembalaje del sistemaPies y clavos Dónde colocar los parlantesParlantes frontales izquierdo y derecho ConexionesParlante central Parlantes envolventes¡Importante Conexión del sistema electrónico sin una salida de subwoofer Nota Ajuste del Control de TransiciónNivel del parlante Mantenimiento y servicio Funcionamiento de MSubwooferSólo para clientes de la UE Garantía LimitadaSi cree que necesita servicio técnico Utilisateurs canadiens Utilisateurs américainsCaractéristiques Spécifications Où placer les haut-parleurs Déballage du systèmePieds et Pointes Haut-parleurs avant gauche et droit BranchementsHaut-parleur central Haut-parleurs SurroundSubwoofer Multi-canal AVR ou Préampli Remarque Ajustement de la commande du filtre de coupureNiveau de haut-parleur Commande de polarité Maintenance et service après-venteContrôle du volume Fonctionnement du MSubwooferPour les clients de l’UE uniquement Demande de service après-venteGarantie limitée Utilizzatori canadesi Utilizzatori americaniCaratteristiche IntroduzioneSpecifiche Griglie Disimballaggio del sistemaPiedini e supporti Dove collocare gli altoparlantiAltoparlanti anteriori sinistro e destro ConnessioniAltoparlante centrale Altoparlanti surroundImportante Multicanale AVR o Preamp Connessione ad elettronica priva di unuscita subwooferNota Regolazione del comando CrossoverLivello di altoparlante Uso dellMSubwoofer Comando volumeManutenzione e servizi Comando delle polaritàClienti UE Garanzia limitataCaso di necessità di assistenza Användare i Kanada Användare i USAFunktioner InledningSpecifikationer Galler Packa upp systemetSockel & Piggar Var man bör placera högtalarnaDe främre högra och vänstra högtalarna AnslutningarMittenhögtalare SurroundhögtalareViktigt BashögtalareFlerkanalig AVR eller förförstärkare Högtalarnivå Justering av övergångskontrollenObs Med enkelledare RCA till RCA-jordkabelHur man använder MSubwoofer Underhåll och serviceEndast för kunder inom EU Om service är nödvändigtBegränsad garanti Benutzer in Kanada Benutzer in den USAFunktionsumfang EinführungHochtöner M350 M340 M250 Frequenzbereich ±3 dBMitteltöner NiederfrequenztönerBespannung Auspacken des SystemsFüße und Spikes Aufstellort der LautsprecherLautsprecher vorne links und rechts VerkabelungZentrale Lautsprecher Surround-LautsprecherWichtig Mehrkanal AV-Receiver Oder Vorverstärker Anschließen an elektronische Geräte ohne Subwoofer-AusgangLautsprecher-Anschluss Speaker level Einstellen des FrequenzweichenreglersHinweis Subwoofer-RückseiteWartung und Kundendienst Bedienung des MSubwooferNur für Kunden aus EG-Staaten Eingeschränkte Garantie重要安全说明 包人造皮革的隔音板(除 MSubwoofer 和 MSurround 以外,均为白色) 带高品质饰面的圆角机箱设计 MCenter MSurround MSubwoofer M350 M340 M250系统开箱 前置左右扬声器 超低音扬声器 使用 LFE 端口将超低音扬声器连接到数字家庭影院系统 调整分频控制 保养和维修 保修期限 Constitution Way, Woburn, MA 01801 USA

M340, M250, M350 specifications

Boston Acoustics, renowned for its commitment to superior sound quality and innovative design, offers a range of speakers that cater to audiophiles and casual listeners alike. Among these models are the M350, M250, and M340, which stand out for their exceptional performance and advanced technologies.

The Boston Acoustics M350 is a highlight in the company's lineup, designed as a floor-standing speaker that delivers robust sound across various frequencies. With dual 6.5-inch woofers and a 1-inch soft dome tweeter, the M350 ensures an expansive soundstage with impressive bass response. Its dual 8-ohm impedance allows for compatibility with a range of amplifiers, making it a versatile choice for home audio enthusiasts. The cabinet is built with a strong MDF construction, minimizing resonance and distortion. The M350's sleek design integrates seamlessly into any decor, offering both aesthetic appeal and acoustic performance.

Next, the M250 serves as a compact yet powerful bookshelf speaker, perfect for those who desire top-notch audio in a smaller form factor. Featuring a 5.25-inch woofer paired with a 1-inch tweeter, the M250 is engineered to produce clear mid-range frequencies and crisp highs. The speaker's rear bass port enhances low-frequency performance, ensuring that the listener enjoys a rich and full sound experience. The M250 is ideal for both music playback and home theater setups, providing a remarkable audio experience without taking up too much space.

Lastly, the M340, another excellent option in the Boston Acoustics family, combines elements of both the M350 and M250. This speaker features a hybrid design that includes a 6.5-inch woofer and a 1-inch tweeter, allowing for detailed sound reproduction and a wide frequency range. The M340 is built with advanced speaker design technologies, including a computer-optimized crossover network that ensures a seamless blend between the woofers and tweeters. Its elegant design and versatile mounting options make it suitable for various room setups, whether in dedicated music rooms or a cozy living space.

In summary, Boston Acoustics' M350, M250, and M340 speakers represent a dedication to quality sound, innovative design, and user-friendly versatility. Their unique features and technologies make them standout choices for anyone looking to enhance their audio experience, whether for music or home theater applications. With Boston Acoustics, listeners can expect nothing short of excellence in sound reproduction.