RS Audio Sapphire 165/2 6.5" (16.5cm) speaker set

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RS Audio Sapphire 165/2 6.5" (16.5cm) speaker set

Power 70 W, impedance 4 Ohm, woofer diameter 165 mm.
Woofer SAPPHIRE MB165,ZMax 33.0274 Ω,RE 3.7000 Ω,RMS 1.0462 ΩM.
Tweeter SAPPHIRE TW25,FS 842,8920 Hz,ZMax 7,4980 Ω,RE 3,4000 Ω.
Mehr technische Details

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Sapphire 165/2 by RS Audio

Discover the Sapphire 165/2 speaker set from RS Audio, a 6.5-inch set that impresses with sophisticated technology. The set consists of two SAPPHIRE MB165 woofers and two SAPPHIRE TW25 tweeters, complemented by crossovers built with audiophile components. With a woofer diameter of 165 mm and a tweeter diameter of 50 mm, it delivers a power output of 70 W at an impedance of 4 Ohms. The well-thought-out technical composition makes it a reliable choice for discerning listeners.

Set Composition

two SAPPHIRE MB165 woofers
two SAPPHIRE TW25 tweeters
crossovers with audiophile components

Features

Woofer diameter: 165 mm
Tweeter diameter: 50 mm
Power: 70 W
Impedance: 4 Ohms

Parameters

SAPPHIRE MB165 SAPPHIRE TW25
FS 49.8763 Hz 842.8920 Hz
Diameter 130.0000 mm 0.0000 mm
ZMax 33.0274 Ω 7.4980 Ω
RE 3.7000 Ω 3.4000 Ω
RMS 1.0462 ΩM 0.0000 ΩM
QMS 4.7631 1.1577
QES 0.6009 0.9605
QTS 0.5336 0.5249
CMS 0.5518 mm/N 0.0000 mm/N
MMS 13.7033 g 0.0000 g
BL 5.5392 Tm 0.0000 Tm
VAS 13.5758 L 0.0000 L
dBSPL 88.4372 0.0000
L1kHz 0.5211 mH 0.0000 mH
L10kHz 0.2697 mH 0.0323 mH
CAS 9.722230E-0008 m5/N 0.000000E+0000 m5/N
RAS 5938.3560 Ω A 0.0000 Ω A
MAS 77.7809 kg/m4 0.0000 kg/m4
RAT 53007.7000 Ω A 0.0000
SD 0.0133 Ω 0.0000 Ω
LCES 16.9319 mH 0.6684 mH
CMES 446.6146 µF 53.3401 µF
RES 29.3274 Ω 4.0980 Ω
RMT 9.3388 ΩM 0.0000 ΩM
ZMin 4.1613 Ω 3.5119 Ω
ZAVG 10.6647 Ω 4.0898 Ω

Frequent questions about Sapphire 165/2

Welche technischen Merkmale hat das Sapphire 165/2 Lautsprecherset?

The Sapphire 165/2 from RS Audio includes two SAPPHIRE MB165 woofers with a diameter of 165 mm and two SAPPHIRE TW25 tweeters with a diameter of 50 mm. The power is 70 W with an impedance of 4 Ohms. The crossovers are made from audiophile components. A central feature is the specific Thiele-Small parameters of the woofer, such as FS of 49.8763 Hz, ZMax of 33.0274 Ω, and QTS of 0.5336, which allow for precise sound tuning.

Wie lauten die Thiele-Small-Parameter des SAPPHIRE MB165?

The SAPPHIRE MB165 woofer is equipped with remarkable Thiele-Small parameters that are crucial for its sound quality. The FS value is 49.8763 Hz, the RE value is 3.7000 Ω, while the QMS is 4.7631 and the QES is 0.6009. The overall critical QTS value is 0.5336, which describes the effectiveness of the woofer in terms of resonance and damping. Another important feature is the BL value of 5.5392 Tm, which describes the magnetic strength of the coil.

Wie installiere ich das Sapphire 165/2 in mein Fahrzeug?

When installing the Sapphire 165/2 speaker set, the dimensions are essential. The woofer has a diameter of 165 mm, which allows for a replacement of factory speakers in many vehicles. The specific impedance of 4 Ohms is compatible with most car audio systems. The tweeters with a diameter of 50 mm need to be placed in a suitable location within the vehicle interior to achieve optimal sound results. No specific car models are required, as the dimensions fit generically. The crossovers should be installed near the speakers to minimize signal loss.

Wie hoch ist die Impedanz der Lautsprecher im Sapphire 165/2 Set?

The Sapphire 165/2 speaker set from RS Audio has an impedance of 4 ohms. This impedance is suitable for both the SAPPHIRE MB165 woofer and the SAPPHIRE TW25 tweeter. A 4 ohm impedance means that this speaker can be operated with most common audio amplifiers without impedance matching, which facilitates integration. The low impedance ensures a high current flow, resulting in a clear and powerful sound that is well-suited for most car audio applications.

Welche Frequenzweichen werden im Sapphire 165/2 Set verwendet?

In the Sapphire 165/2 speaker set, audiophile crossovers are used, which are essential for clear and precise sound separation between woofers and tweeters. These crossovers are equipped with high-quality components that ensure efficient sound distribution. The crossovers help ensure that woofers and tweeters operate only within their optimal frequency ranges, leading to improved sound quality and increased durability of the speakers. Such crossovers are often used in sets of this quality to maximize the audio-visual experience.

Welche Leistung bietet das Sapphire 165/2 Lautsprecherset?

The Sapphire 165/2 speaker set from RS Audio offers a power of 70 watts. This power is sufficient to produce a clear and powerful sound in almost any vehicle setting, without overloading the speaker membranes. The 70 watts are available at an impedance of 4 ohms, making it easy to combine the set with various amplifiers. Especially if you enjoy listening to music at high volumes, this power provides enough dynamics to remain distinctly perceivable even at high volumes.

Welche Abmessungen haben die Hochtöner im Sapphire 165/2 Set?

The SAPPHIRE TW25 tweeters in the Sapphire 165/2 set have a diameter of 50 mm. This compact size allows for flexible installation in many different vehicle models. The placement can be crucial for sound quality, as the smaller dimensions of the tweeters allow for strategically advantageous positioning in the upper part of the door panel or the A-pillar to achieve the optimal sound effect inside the vehicle. A well-positioned tweeter can significantly enhance the spatiality of the music.

Wie unterscheiden sich die Hochtöner von anderen Modellen?

The SAPPHIRE TW25 tweeters in the Sapphire 165/2 set stand out due to their special frequency adjustment and high-quality audiophile construction. The FS value of the tweeter is 842.8920 Hz, which has been thoughtfully tuned for precise high-frequency output. With a ZMin of 3.5119 Ω and ZAVG of 4.0898 Ω, they are also electrically designed to provide maximum sound clarity without producing distortion. These tweeters are excellent for discerning listeners who value sound details in the high-frequency range.

Was unterscheidet das Sapphire 165/2 in Bezug auf Klangtreue?

The Sapphire 165/2 from RS Audio is known for its excellent sound fidelity, achieved through a combination of woofers and tweeters. With a dBSPL of 88.4372 for the woofer and audiophile-tuned crossovers, it offers an impressive sound range. The tuned frequency response and the impedance of 4 ohms play a significant role here. The care in design, such as the Thiele-Small parameters of the woofer, ensures that every sound step and musical highlight is reproduced clearly and authentically.

Ist das Sapphire 165/2 Lautsprecherset für Audioenthusiasten geeignet?

Yes, the Sapphire 165/2 speaker set from RS Audio is specifically designed for audio enthusiasts. The combination of the SAPPHIRE MB165 woofers and the SAPPHIRE TW25 tweeters, along with audiophile crossovers, particularly appeals to listeners who value sonic detail. The carefully matched components and outstanding sound fidelity enable detailed and vibrant audio playback. This set is especially suitable for music lovers who expect a high level of clarity and precision.

Herstellerinformation/verantwortliche Person

RS Audio Vertriebsgesellschaft mbH
Roberto Scalabrino
Gartenfelder Str. 29-37
13599 Berlin
Germany

Contact: info@rsaudio.de

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from 9059 reviews

Jean François Tedesco

Alpine tube 12 bazooka , Un sacré caisson de basses ,

Un sacré caisson de basses , j'ai eu un 46 cm killer 454 de l'époque année 90 , qui tapait vraiment bien , mais ce tube est bien plus fort et plus ample, toutes les basses passent sans problème, avec une télécommande à réglage multiples taramps eq bass , et un ampli Machete de masori , le couple est parfait, personnellement j'en ai deux tubes et ça donne énormément, avec l'ampli 2 x 530 en 4 ohms . Parfois le plus simple est bien meilleur et plus durable .

SWT-12S4

11/29/2025

Bartosz Erber

X-10 v3 d2

Hallo. Sehr freundlicher Kundenservice und schnelle Auftragsabwicklung. Der Lautsprecher ist brandneu und unbenutzt. Ich habe ihn vor einiger Zeit gekauft, aber erst kürzlich das Gehäuse fertiggestellt. Die Parameter entsprechen den Herstellerangaben: 42,5 Liter Nettovolumen, abgestimmt auf 32 Hz und 21 mm starkes Sperrholz. Ich hatte noch nie einen 10-Zoll-Lautsprecher und wusste nicht, was mich erwartet, aber das Ergebnis hat meine kühnsten Erwartungen übertroffen. Der Bass aus einem so kleinen Lautsprecher in einem so kleinen Gehäuse ist einfach unglaublich. Um den X-10 zu kaufen, habe ich meinen DD 712f in einem 70-Liter-Gehäuse verkauft, und der war ein Volltreffer. Der Sundown ist in jeder Hinsicht besser. Ich kann diesen Lautsprecher und den Händler, bei dem ich ihn gekauft habe, wärmstens empfehlen. Beste Grüße.

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11/18/2025

tatazz

Est arrivé à la maison très rapidement

Est arrivé à la maison très rapidement 👌🏽

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11/13/2025

Anonym

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Geht echt gut und leicht zum einstellen

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11/12/2025

Georges, Alexander, Vainohoarii NAGLE

Très satisfaisant.

Bonjour, je reçu le colis bien emballé.
Je recommande vivement, la livraison est gratuite et rapide, je recommanderai sûrement encore chez Masori.

RS-YS12

11/10/2025

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Bought again

Bought again. Great price, fast delivery, nice !

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Perfect sound, I bough 2 pairs for the door and

Perfect sound, I bough 2 pairs for the door and the difference between these and the stock ones are huge

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Deaf bonce

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Je recommande

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Ich habe den Woofer in meinem Skoda Octavia 3 mit Canton Soundsystem eingebaut.
Der Einbau war Plug & Play, alles passt perfekt ohne Anpassungen.
Im Vergleich zum originalen Canton Subwoofer spielt dieser deutlich stärker, präziser und mit mehr Druck.
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