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Gallery image 1 from 32 ULTIMA 25 ACTIVE Surround 4.1 set Gallery image 3 from 32 Gallery image 4 from 32 Gallery image 5 from 32 Gallery image 6 from 32 Gallery image 7 from 32 Gallery image 8 from 32 Gallery image 9 from 32 Gallery image 10 from 32 Gallery image 11 from 32 Gallery image 12 from 32 Gallery image 13 from 32 Gallery image 14 from 32 Gallery image 15 from 32 Gallery image 16 from 32 Gallery image 17 from 32 Gallery image 18 from 32 T 10 Subwoofer - black Gallery image 19 from 32 T 8/10 Subwoofer Gallery image 20 from 32 T 10 Schwarz Gallery image 21 from 32 T 10 Schwarz null Gallery image 22 from 32 T 10 Schwarz Frontansicht Gallery image 23 from 32 T 10 Schwarz Frontansicht Gallery image 24 from 32 T 10 Schwarz Frontansicht Gallery image 25 from 32 Gallery image 26 from 32 Gallery image 27 from 32 Gallery image 28 from 32 Gallery image 29 from 32 Gallery image 30 from 32 Gallery image 31 from 32 Gallery image 32 from 32
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  • SALE

ULTIMA 25 ACTIVE Surround 4.1 set

Legendary sound, endless possibilities

(10)
-21%
CHF 1'149,95
CHF 899,95 Excl. VAT and shipping CHF 49.95
  • In stock
  • 8 weeks trial listening
  • Free return shipping
  • More than 45 years of experience
  • Shipping CO2 compensated
  • Best price – last 30 days:
    CHF 899,95
  • Manufacturer: Teufel
  • Safety precautions
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Highlights

Why we love this product

The ULTIMA 25 ACTIVE Surround is our plug-and-play complete Surround Sound set. No need for a bulky amplifier or AV receiver - the speaker comes with a receiver built in. The subwoofer and rear speakers are paired wirelessly. And all that with the award-winning ULTIMA sound our fans know and love. What movies will you fall in love with next?

Key advantages at a glance

  • A pair of high-end active bookshelf speakers with wireless T 10 subwoofer and EFFEKT 2 rear speakers
  • True Surround Sound with incredibly deep bass for rooms up to 35 m², DAB+ and FM radio with 6 radio presets each
  • Bluetooth 5.0 with aptX® and AAC for music streaming from Spotify, Amazon Music, YouTube etc., Video sound is perfectly synchronized
  • Large 25-mm tweeter with Phase Plug and Waveguide for detailled sound, 2-way system with balanced tuning, fiberglass midwoofer with phase plug for natural sounding acoustic instruments, bass-reflex construction for deep, precise bass
  • Dynamore® Virtual Center for crystal clear dialogue, equalizer, sound modes for full bass even at low volumes, night mode, auto-wake from standby
  • Dimmable OLED display, on-speaker controls, touch slider, remote control, connects with HDMI ARC/CEC, optical in, AUX, USB-C soundcard function for PC/Mac
  • Includes 3.5 m speaker connector cable, covers, antenna, rubber feet, and remote control, compatible with the AC 7001 SP 2 floor stand or the AC 7500 SM wall mount
  • EFFEKT 2 with 2.5 meter power cable, integrated wall mount, compatible with the AC 3500 SM wall holders for directional positioning, the EFFEKT 2 also fit on the K&M AC 6001 SP, and K&M AC 6001 Flex floor stands (both allow power cable to fit inside stand), and AC 1001 SP (power cable cannot fit inside), or place on bookshelves

Features

All technologies at a glance
Logo - Dolby
Logo - Dynamore Virtual Center
Logo - HDMI ARC CEC
Logo - Bluetooth
Icon - AAC
Logo - Bluetooth Qualcomm aptX
Icon - Aux
Icon - digital audio input - optical TOSLINK
2.0 USB Sound
Logo - plug & play
Logo - DAB+
Logo - FM Radio
Icon - Equaliser
Wireless subwoofer
Logo - Downfire
Front-firing subwoofer

Play your sound

You can't go wrong with the ULTIMA 25. The excellent price to sound ratio, the modern ULTIMA sound and its many connection options will win over you and your friends.

Big league tech

In contrast to our passive ULTIMA 20, the ULTIMA 25 has particularly rich bass and a maximum volume that's a good deal higher. Additional acoustic highlights include the phase plug, wave guide, and fiberglass diaphragm.

Wave Guide for extremely precise localization of individual sound sources and detailed soundstage structure .
Phase Plug to mitigate phase-shift related wave cancellations, improving transparency and directional sound output.
Fiberglass diaphragm for high impulse fidelity and capacitance.
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Specifications

UL 25 bookshelf speaker

UL 25 bookshelf speaker

High-end HIFI bookshelf speaker (passive)

  • Width 21.5 cm
    Height 36.5 cm
    Depth 25 cm
    Weight 6 kg
  • Terminal clamps Screw terminal, gold-plated
  • Banana plug compatible Yes
    Maximum cable diameter 4 mm
    Equalization port (position) back
    Equalization port 1
    Removable front cover Yes
    Cabinet material MDF
    Cabinet surface Laminated
    Wall mounting brackets Yes
    Tweeter (number per enclosure) 1
    Tweeter (diameter) 25 mm
    Tweeter (material) Textile
    Bass/Midrange driver (number per enclosure) 1
    Bass/Midrange driver (diameter) 165 mm
    Bass/Midrange driver (material) Fibreglas
    Frequency range 41 - 20000 Hz
    Maximum sound pressure level 104 dB/1m
    Impedance 4 Ohm
    Acoustic principle 2-way-system
    Enclosure type Bass reflex
    Crossover frequency internal switch 2600 Hz
UL 25 Active bookshelf speaker

UL 25 Active bookshelf speaker

High-end HIFI bookshelf speaker (active)

  • Width 21.5 cm
    Height 36.5 cm
    Depth 25 cm
    Weight 8.5 kg
  • AUX Yes
    Cinch input stereo 1
    Audio inputs- HDMI Yes
    Digital inputs optical 1
    Bluetooth Yes
    Bluetooth AAC Yes
    Bluetooth aptX Yes
    HDMI ARC CEC‌ Yes
    Subwoofer output, wireless Yes
    USB-C sound card Yes
  • Dolby Digital Yes
    Dolby Pro Logic Yes
    Dynamore® Virtual Center Yes
  • DAB+ Yes
    FM Yes
    RDS Yes
    Station memory positions 6
  • Power supply voltage 230 V
    Automatic on/off Yes
    Standby-Function Yes
    Power output capacity impulse (peak) Satellite 50 W
    Total power output capacity (RMS) 100 W
    Adjustable sound settings Yes
    Amplifier technology Class D
    Amplifier channels 2
    Performance measured by 4 Ohm
  • Banana plug compatible Yes
    Maximum cable diameter 4 mm
    Equalization port (position) back
    Equalization port 1
    Removable front cover Yes
    Cabinet material MDF
    Cabinet surface Laminated
    Wall mounting brackets Yes
    Tweeter (number per enclosure) 1
    Tweeter (diameter) 25 mm
    Tweeter (material) Textile
    Bass/Midrange driver (number per enclosure) 1
    Bass/Midrange driver (diameter) 165 mm
    Bass/Midrange driver (material) Fibreglas
    Frequency range 41 - 20000 Hz
    Maximum sound pressure level 104 dB/1m
    Impedance 4 Ohm
    Acoustic principle 2-way-system
    Enclosure type Bass reflex
    Crossover frequency internal switch 2600 Hz
  • Remote control Infrared
  • Power cable 1.2 m
    Speaker cable 3.5 m
T 10 Subwoofer - black

T 10 Subwoofer

High-end-class active subwoofer that can be configured in either front- or down-firing modes

  • Width 35.1 cm
    Height 48.3 cm
    Depth 38 cm
    Weight 15.6 kg
  • Cinch input 1
  • Power supply voltage 230 V
    Automatic on/off Yes
    Maximum power consumption 150 W
    Fixed AC power cable Yes
    Safety class 2
    Fuse Yes
    Storage for settings when disconnected Yes
    Standby-Function Yes
    Standby-Power consumption 1 W
    Bass boost/EQ Yes
    Input gain adjustment Yes
    Level control Yes
    Phase control Yes
    Wireless Subwoofer Yes
    Power output capacity impulse (peak) Bass 150 W
    Amplifier configuration 1.0
    Amplifier technology Class D
    Amplifier channels 1
  • Lowest frequency (-3 dB) 33 Hz
    Suitable for AV receiver Yes
    Equalization port 1
    Down-firing Yes
    Front-firing Yes
    Cabinet material MDF
    Cabinet surface Laminated, matte
    Integrated stand Yes
    Woofer (number per enclosure) 1
    Woofer (diameter) 250 mm
    Woofer (material) Aluminium
    Frequency range 33 - 190 Hz
    Maximum sound pressure level 115 dB/1m
    Acoustic principle 1-way-system
    Enclosure type Bass reflex
Satelliten-Lautsprecher EFFEKT 2 (Stk.)

Satelliten-Lautsprecher EFFEKT 2 (Stk.)

Complex 2-way system with broad sound dispersion and long-throw midwoofer for full, clear sound at all volumes and in every listening position

  • Width 11.1 cm
    Height 16 cm
    Depth 11.8 cm
    Weight 0.9 kg
  • Automatic on/off Yes
    Storage for settings when disconnected Yes
    Standby-Function Yes
    Standby-Power consumption 0.5 W
    Output performance amplifier: Satellites 40 W
    Total power output capacity (RMS) 20 W
    Amplifier technology Class D
    Amplifier channels 2
  • Cabinet material Plastic
    Cabinet surface Housing: silk matte / grille: glossy
    Keyhole plate mounted Yes
    Wall mounting brackets Yes
    Tweeter (number per enclosure) 1
    Tweeter (diameter) 19 mm
    Midrange driver (number per enclosure) 1
    Midrange driver (diameter) 76 mm
    Frequency range 115 - 21000 Hz
    Acoustic principle 2-way-system
    Enclosure type Closed
  • Cable length 2.5 m

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Accessories

All required accessories are included in the delivery.

Recommended accessories

Included components

ULTIMA 25 ACTIVE Surround 4.1 set
  • 1 × UL 25 Active dual bookshelf speakers – Night Black
    • 1 × UL 25 bookshelf speaker – Black
    • 1 × UL 25 Active bookshelf speaker – Black
    • 1 × ULTIMA 25 DAB antenna – Night Black
    • 1 × ULTIMA 25 remote control – Black
    • 2 × ULTIMA 25 fabric cover – Night Black
    • 1 × Power cable – Black
    • 1 × 3,5m Lautsprecherkabel (ET)
  • 1 × T 10 Subwoofer – Black
  • 1 × pair of satellite speakers EFFEKT 2 – Black
    • 2 × EFFEKT 2 power cable – Black
    • 2 × Satelliten-Lautsprecher EFFEKT 2 (Stk.) – Black

Downloads & support

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Audio lexicon: Technical terms quickly explained

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Visit our self help support page Support & Contact

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1 Offer valid until 21.07.2025 23:59. The voucher is only intended for the use of private customers. The voucher cannot be redeemed for cash, nor can it be used in combination with other vouchers. It cannot be used for orders that have already been placed. The resale of a voucher is prohibited and it will lose its value in the case of being resold. You can learn more about the terms and conditions in the General Business Conditions.