Ascendo Ascendo The15 ASC-15PPBE 15" Beryllium Coax PRO Passive On Wall Speaker Home Cinema Speakers
Ascendo Ascendo The15 ASC-15PPBE 15" Beryllium Coax PRO Passive On Wall Speaker Home Cinema Speakers
Ascendo Ascendo The15 ASC-15PPBE 15" Beryllium Coax PRO Passive On Wall Speaker Home Cinema Speakers

Ascendo The15 ASC-15PPBE 15" Beryllium Coax PRO Passive On Wall Speaker


Regular price$19,800.00

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The THE15 Be PRO PASSIVE ON WALL is an extremely impressive and extraordinary performing musical speaker system, that leaves nothing to be desired.

This 15"point source axisymmetric speaker has been designed as screen speaker for large theatres as left, centre and right speaker or can be used for very large theatres as a surround speaker.

ASCENDO's passive crossover technology paired with highest grade flat wound OFC copper air core coils and silver capacitors work in combination with the enclosure and coaxial driver design to deliver ultra-precise and incredibly fast impulse response.

Each channel of the THE15 Be PRO PASSIVE is capable of incredible SPL levels, but also the more impressive dynamic contrasts from whispering dialogues to explosive effects. The volume ranges your home theatre speakers need to be able to handle without audible distortion is huge, especially if you look for a reference level director’s cut performance - this level difference from softest to loudest sounds is called ‘dynamic range’. The THE15 Be PRO PASSIVE reproduces every possible dynamic range with ease. Even the most complex film passages with extreme dynamic requirements are reproduced at the highest clarity and lowest distortion. Imagine a life-like drum solo rendered exactly to the point by hearing and feeling the tremendous dynamic leaps of a bass drum and snare, while at the same time the humming of the cymbals fading away airily into the dark silence of the room giving way to the tiniest fine details.

This very precision lets the listener immerse entirely into the direct and intense visual action. Whether film or music – this sonic experience is not distinguishable from reality anymore.

The expertly engineered Beryllium compression tweeter is centrically arranged in the back of the 15-inch mid-woofer unit. In concert with the passive crossover, their results merge perfectly and allow for a time and phase-coherent lifelike reproduction of all acoustic events with reference level in every seat. The brain can therefore relax and stop trying to process the timing and phase errors far too common in other speaker designs.

Combined with our PRO and Infrasonic subwoofers you will experience unimaginable realism of sound paired with sheer limitless dynamics.

The15 Be PRO PASSIVE On WALL – The realistic cinema experience

Beryllium (Be)

Although it is one of the most expensive materials used to make speaker diaphragms, in terms of stiffness-to-weight ratio, Beryllium is the highest of any known metal and can deliver dramatically superior results when properly incorporated into a speaker design.

The speed of sound through Beryllium is nearly 2.5 times faster than the speed of sound through aluminium or titanium. This means the first breakup will occur at a much higher frequency—well outside the audible range. Breakup occurs when the cone partially vibrates at certain audible frequencies and therefore isn’t entirely pistonic throughout its range. This leads to non-linearities in the amplitude response as well as stored energy in the time domain.

It is precisely these characteristics that give Beryllium speakers the ability to reproduce amazing detail and provide sound clarity with the absence of resonances.

You must be wondering, what does all this mean to me as a user?

It means, that even the finest details are all there.

It must be experienced to be believed.


Speaker type

Time-coherent 15"  beryllium Point-Source 



Passive / Active



Calculated data
127dB cont. / 130 dB peak

Frequency range

Calculated data
75 Hz - 21 kHz 


99 dB / 1W/m

Power Handling



8 Ω




1.4"  (Throat) beryllium compression driver 

Directivity Horizontal x Vertical in Deg°

85° x 85°

Input Terrminal

Neutrik Speakon


Internally braced birch ply and MDF


18,5" / 470 mm


34,25 " / 870 mm


9,44" / 240 mm

Depth With Plug

11,02" / 280 mm

Depth Grill

0,39" / 10 mm


71,65 lbs / 32,5 kg


Structural paint black

Custom colour options

Piano lacquer  colour of choice, matte or other finishes upon request

Shape customisation

Upon request


3 x  wall brackets for horizontal and vertical installation,  VESA 200 mounting option 

The THE15 Be PRO PASSIVE is supplied with a front cover as standard

Technical modifications subject to change without further notice


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Customer Reviews

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CHT Solutions has been very prompt to respond and ship the items. I will never hesitate to buy from them again. More power to CHT Solutions!

Richard Y.
Thornleigh, NSW

CHT delivery was incredibly fast, Many thanks all for such an easy purchase process and super fast delivery. 5 stars from me

Chris N.
Malaga, WA

Buying from CHT Solutions was easy and their price was great and I would recommend then to anyone seeking good Hi Fi equipment.

John L.
Woonona, NSW

Fast delivery and great products. Would recommend them to anyone needing great service for sound advice.

Oscar F.
Truganina, VIC

CHT delivered the unit to South Australia within a couple of days. Amazing! Their phone customer service was professional and courteous. Will happily purchase from them again

Robert F.
Tranmere, SA