1. Introducció
This manual provides detailed instructions for the installation, operation, and maintenance of the Monoprice SS-Pro 12 High Power Dual Source Speaker Selector. Please read this manual thoroughly before using the device to ensure proper functionality and safety.
The Monoprice SS-Pro 12 is designed to manage audio distribution from two amplifier sources to up to twelve pairs of speakers, incorporating impedance matching to protect your ampmés viu.
2. Característiques
- Supports up to 12 pairs of speakers or 12 listening zones.
- Dual amplifier source selection (A/B switch).
- Audiophile-grade impedance-matching transformers for ampprotecció de lifier.
- Withstands up to 300 watts peak power per channel.
- Front panel push-buttons for individual zone control.
- Easily removable snap-in connectors for speaker wire termination.
- Rear panel rotary switch for impedance adjustment based on connected speaker pairs.
3. Contingut del paquet
Comproveu que el vostre paquet contingui els elements següents:
- 1x Monoprice SS-Pro 12 Speaker Selector
- 1x Manual d'usuari (aquest document)
- 6x Shingle Clips
- 2x espaiadors
4. Configuració i connexions
Before making any connections, ensure all audio equipment is powered off and unplugged from the wall outlet.
4.1 Tauler frontal sobreview

Figura 4.1: Front panel of the Monoprice SS-Pro 12. Shows the "AMP A/B" selector button and twelve individual speaker zone buttons labeled 1 through 12.
- AMP Botó A/B: Selecciona entre Ampvidador A i AmpEntrades del lifier B.
- Speaker Zone Buttons (1-12): Activates or deactivates the corresponding speaker pair.
4.2 Panell posterior per sobreview

Figura 4.2: Rear panel of the Monoprice SS-Pro 12. Shows input terminals for two amplificadors (AMP A, AMP B), output terminals for twelve speaker pairs (PAIR 1-12), and a rotary switch for "NUMBER OF SPEAKER PAIRS" with settings 3-4, 5-8, 9-12.
- Amplifier Inputs (AMP A, AMP B): Connecteu el vostre amplifier outputs here. Use high-quality speaker wire.
- Speaker Outputs (PAIR 1-12): Connect your speaker pairs here. Ensure correct polarity (+ to + and - to -).
- Number of Speaker Pairs Rotary Switch: Adjust this switch to match the total number of speaker pairs you intend to connect and use simultaneously. Settings typically include 3-4, 5-8, and 9-12. This setting is crucial for proper impedance matching and ampprotecció de lifier.
4.3 Procediment de connexió
- Prepare Speaker Wires: Strip approximately 1/2 inch (1.2 cm) of insulation from the ends of all speaker wires.
- Connecta't Ampelevadors: Connect the speaker outputs from your primary ampvidador al "AMP A" inputs on the SS-Pro 12. If using a second amplifier, connect its outputs to the "AMP B" inputs. Ensure correct polarity. The snap-in connectors allow for easy and secure wire termination.
- Connectar els altaveus: Connect each pair of speakers to the corresponding "PAIR" outputs (e.g., Living Room speakers to PAIR 1, Kitchen speakers to PAIR 2, etc.). Maintain correct polarity for each connection.
- Set Impedance Switch: On the rear panel, set the "NUMBER OF SPEAKER PAIRS" rotary switch to the position that corresponds to the total number of speaker pairs you will be using. For example, if you plan to use 6 pairs of speakers, set the switch to "5-8".
- Encès: Once all connections are secure, plug in and power on your amplifiers and audio sources.
5. Instruccions de funcionament
The Monoprice SS-Pro 12 is designed for straightforward operation.
- Seleccioneu Amplifier Source: Premeu el botó AMP A/B button on the front panel to toggle between Ampvidador A i Amplifier B as your audio source. The selected amplifier will be active for all enabled speaker zones.
- Activate Speaker Zones: Press the individual speaker zone buttons (1 through 12) to turn on or turn off the corresponding pair of speakers. A button that is pressed in typically indicates the zone is active.
- Ajustar el volum: Volume control is managed by your connected amplifier(s) and individual speaker volume controls (if applicable). The SS-Pro 12 does not have its own volume control.
- Ús simultani: You can activate multiple speaker zones simultaneously. The impedance matching circuitry will ensure safe operation for your amplifier, provided the "NUMBER OF SPEAKER PAIRS" switch on the rear is correctly set.
6. Manteniment
The Monoprice SS-Pro 12 requires minimal maintenance.
- Neteja: Use a soft, dry cloth to clean the exterior of the unit. Do not use liquid cleaners or aerosol sprays.
- Ventilació: Ensure the unit has adequate ventilation. Do not block any ventilation openings.
- Medi ambient: Keep the unit away from excessive heat, humidity, and direct sunlight.
- Connexions: Reviseu periòdicament totes les connexions dels cables dels altaveus per assegurar-vos que estiguin ben fixades i que no presentin corrosió.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| No hi ha so dels altaveus. |
|
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| Distorted or low sound. |
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| Only one channel (left or right) has sound. |
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8. Especificacions
| Atribut | Valor |
|---|---|
| Número de model | 139067 |
| Marca | Monopreu |
| Zones d'altaveus | 12 parells |
| Manipulació de potència | Up to 300 Watts Peak per channel |
| Amplifier Sources | 2 (A/B selectable) |
| Coincidència d'impedància | Yes, with selectable settings (3-4, 5-8, 9-12 pairs) |
| Dimensions del producte (L x A x A) | 19.1 x 1.1 x 5.7 polzades |
| Pes de l'article | 11.97 lliures |
| Color | Negre |
| Terminació del cable de l'altaveu | Snap-in connectors |
9. Garantia i Suport
For warranty information or technical support, please refer to the official Monoprice website or contact Monoprice customer service directly. Details regarding product registration, warranty claims, and technical assistance can typically be found on their support pages.
Monoprice Official Weblloc: www.monoprice.com





