
15m Speaker Cable 2.5mm² - C2515S
Loudspeaker cable 2 x 2.5 mm²

This 5.1 expansion set lets you experience surround sound with the popular Ultima 40/20 HIFI speakers, all of which are precisely tuned for optimum playback. The additional subwoofer makes it so you can feel the special effects in your seat.

High-end-class active subwoofer that can be configured in either front- or down-firing modes
| Description | Item |
|---|---|
| Width | 35.1 cm |
| Height | 48.3 cm |
| Depth | 38 cm |
| Weight | 15.6 kg |
| Description | Item |
|---|---|
| Cinch input | 1 |
| Description | Item |
|---|---|
| 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 |
| Description | Item |
|---|---|
| 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 |

High-end Hi-Fi bookshelf speakers
| Description | Item |
|---|---|
| Width | 21.5 cm |
| Height | 33.5 cm |
| Depth | 23.5 cm |
| Weight | 5.7 kg |
| Description | Item |
|---|---|
| Terminal clamps | Gold-plated screw terminals |
| Minimum amplifier output power recommended | 20 W |
| Description | Item |
|---|---|
| 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 |
| Net internal volume | 10 L |
| 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 |
| Continuous power handling (IEC - Long Term) | 50 W |
| Sensitivity (2.83 V / 1 m) | 87 dB |
| Frequency range | 70 - 20000 Hz |
| Peak power capacity (IEC - Short Term) | 80 W |
| 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 |

High-end Hi-Fi centre speaker
| Description | Item |
|---|---|
| Width | 42 cm |
| Height | 16.9 cm |
| Depth | 15.9 cm |
| Weight | 5.7 kg |
| Description | Item |
|---|---|
| Terminal clamps | Gold-plated screw terminals |
| Description | Item |
|---|---|
| Banana plug compatible | Yes |
| Maximum cable diameter | 4 mm |
| Removable front cover | Yes |
| Cabinet material | MDF |
| Cabinet surface | Laminated |
| Keyhole plate mounted | Yes |
| Wall mounting brackets | Yes |
| Tweeter (number per enclosure) | 1 |
| Tweeter (diameter) | 25 mm |
| Tweeter (material) | Textile |
| Bass/Midrange driver (number per enclosure) | 2 |
| Bass/Midrange driver (diameter) | 130 mm |
| Bass/Midrange driver (material) | Kevlar/ fibreglass |
| Continuous power handling (IEC - Long Term) | 100 W |
| Sensitivity (2.83 V / 1 m) | 88 dB |
| Frequency range | 90 - 20000 Hz |
| Peak power capacity (IEC - Short Term) | 150 W |
| Maximum sound pressure level | 107 dB/1m |
| Impedance | 4 - 8 Ohm |
| Acoustic principle | 2-way-system |
| Enclosure type | Closed |
Please check whether required cables are included.

High-end mono subwooer cinch connection cable

Banana plugs: gold plated with screw terminals

K&M brand HIFI-class floor stand for compact speakers

K&M brand HIFI-class floor stands (2x) for compact speakers

High quality wall mount for compact speakers with M6 thread in the baseplate

Wall mount for compact class wood box format speakers and dipoles

Transmission module for sending subwoofer signals wirelessly

Sleeve for the Teufel T 10 subwoofer
Minimum age: 18. You must
live in either Austria, Belgium, Spain, France, Ireland, Italy, Luxembourg, the
Netherlands, or Portugal. Depending on country, installment payments can be made
using a credit card, a debit card, or SEPA direct debit.
Pending credit check performed by Alma. Duration of financing comprises either
2 or 3 monthly installment payments as chosen by the consumer. Customers paying
Alma installments pay no fees, effective annual interest of 0.00% applicable to
loan agreements concluded between 10/03/2026 and 16/03/2026. 0% financing is restricted
to selected products and order values ranging between 99 EUR and 5,000 EUR,
only for transactions in euros. Individual monthly installments for your order
depend on value of goods and will be displayed to you on the relevant product pages as well as the Alma checkout.
Creditor: Alma SAS, 176 Avenue Charles de Gaulle, 92200 Neuilly-sur-Seine, France. Security of payments guaranteed by Alma and its service providers. All payments protected by 3D Secure. Depending upon country, eligible customers must have a valid and accepted credit or debit card as a payment source, or share their SEPA direct debit information with Alma.
More information about Alma Installments can be found here: https://teufelaudio.com/payment-options