AS 100.4 - Receiver Mosconi - Free user manual and instructions

Product Type	Car Audio Amplifier (Receiver)
Brand	Mosconi
Model	AS 100.4
Number of Channels	4
Max Power Output (RMS)	4 x 100W @ 4 ohms
Bridged Output Power (RMS)	2 x 300W @ 4 ohms
Frequency Response	10 Hz - 30 kHz
Signal-to-Noise Ratio	>100 dB
Total Harmonic Distortion	<0.05%
Input Sensitivity	0.2V - 6V
Built-in Filters	Low-pass, High-pass, Band-pass
Amplifier Class	Class AB
Power Supply Voltage	12V DC (Negative Ground)
Dimensions (W x H x D)	200 x 50 x 150 mm
Weight	1.5 kg
Warranty	24 months
Country of Origin	Italy

Frequently Asked Questions - AS 100.4 Mosconi

What is the recommended fuse rating for this amplifier?

Use a 60A inline fuse near the battery as recommended for 4x100W RMS systems. Always use the correct gauge power cable (minimum 4 AWG for this power level).

Can I bridge two channels to power a subwoofer?

Yes, channels 1-2 and 3-4 can be bridged individually. In bridged mode, each pair delivers up to 300W RMS into a 4-ohm load. Ensure the subwoofer impedance is not lower than 4 ohms.

How do I set the gain properly?

Set the head unit volume to about 75% of max, then slowly turn the gain control clockwise until you hear distortion, then back off slightly. Use a multimeter to match the output voltage to your speakers' RMS rating for best results.

What should I do if the amplifier goes into protect mode?

First check all connections: power, ground (must be clean metal), and speaker wires for shorts. Ensure the impedance load is not too low. If the amplifier overheats, improve ventilation or reduce gain. Also check the remote turn-on voltage.

Can I use the amplifier with a 14.4V electrical system?

Yes, the amplifier is designed for 12V systems but can handle up to 15V. It will produce slightly more power at higher voltages, but ensure your wiring and fuse are adequate.

How do I adjust the crossover filters?

Set the front channels to high-pass (HPF) for speakers (typically 80 Hz) and rear channels to full-range or low-pass (LPF) for subwoofers. Use the band-pass (BPF) setting for midrange drivers. Turn off filters if using an external crossover.

What size power cable should I use?

For runs up to 4 meters, use 4 AWG power and ground cables. For longer runs, upgrade to 2 AWG. The table in the manual provides exact recommendations based on length and current draw.

How do I clean the amplifier?

Disconnect power. Use a soft, dry cloth to wipe the exterior. Avoid liquids or abrasive cleaners. Periodically check and clean the cooling fan intake if equipped.

Is this amplifier compatible with high-level (speaker-level) inputs?

The AS 100.4 does not have dedicated high-level inputs. You will need a line output converter (LOC) to connect to a factory head unit without RCA outputs.

What is the warranty coverage?

Mosconi offers a 24-month warranty from the original purchase date against defects in materials and workmanship. Retain your original purchase receipt and register the product if required. The warranty does not cover damage from misuse or improper installation.

USER MANUAL AS 100.4 Mosconi

IMPORTARY, LECOETE ALIMENTARE TO LIBERTO DIUSO A FINES ESERCIE CARRITA SICUERZZA DI CHI OPERA. USSTALIZIONE E DI CHI UNITIZAPPRODITO WHATTO LESI DIESE GERVAUCHSALTEN SEAVI DUCH. UN SUCH SELBT MALL MEI OBETENTELIS AND PUNIONE DESIS PRODUKTS VERITARIUTI MAOCHEB. BEPOLEN IS ALLE HINNISES DAET DE SCHANDER MES INSTALIZION AND DES GEBAROUS DES PRODUKTS WITH ALL THE CONTROLS AND FUNCTIONS OF THIS PRODUCT FOLLOW ALL NOTICES TO USPURE THE SAFETY OF THOSE INSTALINGS AND USING THE PRODUCT.

OWNER'S MANUAL WARNINGS WARBARRY CARD

VOSO production (24 months) MOSCON per 24 most delta data of acquisition data and samples deposition in net documenta fiscal data acquisition (securities basis for obligations and a portion in case of the nonperformable cost of maintenance). The product is necessary to be the product certificate, copy or template as a liquid stampable suit application to the business. VOSO man is responsible for eventual care solution a personc the use of implementation (modestil MOSCON is a case of quasi coagulose).

VOS extends a warranty to MOSCON products for 24 months from the date of the original purchase as amended in the appropriate tax and in the original purchase receipt. Endose the date purchase receipt when sending the product for return or repart to the authorized dealer.

A copy number must be used to purchase must correspond by the same stamped or the returned product.

VOS is not responsible for damage or injury caused by improper dislocation or disposal of the product.

WOSCOW si ècnica il dimo di opportune modificate a miglioramento al prodotto illustra senza allam previste, a disemplessi dei prodotti illustra può essere sottoseta a versazioni. I specibili presenta lo questo MANUALLE DUSO representati sono una parte del prodotto MASCOW. Tali in teres interventi che also sompiere alla attiva e evenamente la parte di un'altro da 2017 e 2018 delle partiles di ralattie procedente. La disemplessi tafere o perspective di queste MANUALLE DUSO a scritata. WOSCOW haatt se jeche Alrì Avenfänger suo Verbraesserung am Ankändigung vor. Die Verbriefigkeit der gezogene Produkte kann verreten. Alle Produkte, die in dieser Anleitung beschreiben, und sie Teil von MASCOW. Alle Verbraesserung pohren dem Eigentimer MASCOW. Il local oer auch ausgeleweiter nachschuss at night eratelt. WOSCOW reserves the right to modify or improve the products described have without notice. The availability of the displayed products may vary. Produces dosistent in the MANUAL are a portion of all MASCOW products. All macrocaries are not only available for any other product and all rights are resolved by their respective owners. The unit or parts reproduction of the MANUAL is prohibited.

Designed and Manufactured in Italy by MOS - www.mosconi-system.it - www.mosconi.org

WARNING! DISCONNECT THE BATTERY LEADS BEFORE INSTALLATION, MAINTENANCE OR REMOVAL

12V

WARNING! USE ONLY IN VEHICLES WITH A 12 VOLT NEGATIVE GROUND