Owners Manual
Page 2
... from 9:00 a.m. UPA series amplifiers offer extreme value and performance. Be responsible and have the original dated receipt. Warranty Service If your amplifier and its functions. UPA224/UPA424 Pour des instructions en Francais, référez-vous à la page 22. to return the unit for optimal performance and longterm reliability. Contents Installation 3 Power Wiring 4 Speaker Wiring 5 Input Wiring & Controls 6 Testing 7 Troubleshooting 7 Specifications 8 90 Day Warranty 8 Before...
... from 9:00 a.m. UPA series amplifiers offer extreme value and performance. Be responsible and have the original dated receipt. Warranty Service If your amplifier and its functions. UPA224/UPA424 Pour des instructions en Francais, référez-vous à la page 22. to return the unit for optimal performance and longterm reliability. Contents Installation 3 Power Wiring 4 Speaker Wiring 5 Input Wiring & Controls 6 Testing 7 Troubleshooting 7 Specifications 8 90 Day Warranty 8 Before...
Owners Manual
Page 3
... following pages. Follow the installation instructions carefully, or have everything you start. It is grounded to make sure the battery is best to the chassis with assortment of bits • Flat-head and Phillips screwdrivers • Wire cutters/strippers • Crimping tool • 12-volt test light or digital multimeter • Wire brush, sandpaper or scraping tool (ground connection to the mounting surface...
... following pages. Follow the installation instructions carefully, or have everything you start. It is grounded to make sure the battery is best to the chassis with assortment of bits • Flat-head and Phillips screwdrivers • Wire cutters/strippers • Crimping tool • 12-volt test light or digital multimeter • Wire brush, sandpaper or scraping tool (ground connection to the mounting surface...
Owners Manual
Page 4
... undercoating to ground. Replacement Fuses (FUSE) Use only blade-type ATO replacement fuses. To ensure a good ground, scrape away any service that the amplifier is turned on lead from the positive (+) battery post, using an adequate size fuse or circuit breaker capable of handling the current of the proper gauge and an "outside star washer will help to the amplifier remote terminal. POWER WIRING Power Indicator (POWER) The power indicator provides a visual indication that may be installed to prevent...
... undercoating to ground. Replacement Fuses (FUSE) Use only blade-type ATO replacement fuses. To ensure a good ground, scrape away any service that the amplifier is turned on lead from the positive (+) battery post, using an adequate size fuse or circuit breaker capable of handling the current of the proper gauge and an "outside star washer will help to the amplifier remote terminal. POWER WIRING Power Indicator (POWER) The power indicator provides a visual indication that may be installed to prevent...
Owners Manual
Page 5
When installing or connecting full-range speakers, you must observe the proper speaker polarity. The speaker wiring diagrams illustrate options for connecting two or four speakers. UPA224 LCH RCH 4 ohm nominal LCH1 UPA424 RCH2 LCH3 RCH4 4 ohm nominal 2 ohm minimum 5 The UPA224 and UPA424 require a minimum of the proper gauge speaker wire. UPA224/UPA424 SPEAKER WIRING NOTE: Do not overlook the use of 16-gauge wire.
When installing or connecting full-range speakers, you must observe the proper speaker polarity. The speaker wiring diagrams illustrate options for connecting two or four speakers. UPA224 LCH RCH 4 ohm nominal LCH1 UPA424 RCH2 LCH3 RCH4 4 ohm nominal 2 ohm minimum 5 The UPA224 and UPA424 require a minimum of the proper gauge speaker wire. UPA224/UPA424 SPEAKER WIRING NOTE: Do not overlook the use of 16-gauge wire.
Owners Manual
Page 6
... Channel Positive (+) Right Channel Negative (-) Chassis (Power) Ground NOTE: The black wire from the high-level input harness MUST be used when an RCA output is preferred for the high-level input circuit to operate properly. UPA224/UPA424 NOTE: Only connect the RCA OR High-Level Input - Make sure the bass and treble or EQ settings are flat, then turn it down slightly. After completing this process, your amplifier. Most trunk/hatchback installations require a 15-20 foot RCA cable, while...
... Channel Positive (+) Right Channel Negative (-) Chassis (Power) Ground NOTE: The black wire from the high-level input harness MUST be used when an RCA output is preferred for the high-level input circuit to operate properly. UPA224/UPA424 NOTE: Only connect the RCA OR High-Level Input - Make sure the bass and treble or EQ settings are flat, then turn it down slightly. After completing this process, your amplifier. Most trunk/hatchback installations require a 15-20 foot RCA cable, while...
Owners Manual
Page 7
...Turn up the volume. If speakers don't play at amplifier and speakers. UPA224/UPA424 TESTING/TROUBLESHO. Test Speaker Connections Blown fuse at amplifier Replace fuse and identify cause of failure Faulty ground Reground main power ground to bare metal chassis Volume control too Input level control adjusted too sensitive high Readjust the input level Distorted sound Input level control adjusted too high Readjust the input level Blows fuse(s) at amp Power wires connected backwards Reconnect power wires properly Internal problem with amp Take unit for service These tests make...
...Turn up the volume. If speakers don't play at amplifier and speakers. UPA224/UPA424 TESTING/TROUBLESHO. Test Speaker Connections Blown fuse at amplifier Replace fuse and identify cause of failure Faulty ground Reground main power ground to bare metal chassis Volume control too Input level control adjusted too sensitive high Readjust the input level Distorted sound Input level control adjusted too high Readjust the input level Blows fuse(s) at amp Power wires connected backwards Reconnect power wires properly Internal problem with amp Take unit for service These tests make...
Owners Manual
Page 8
SPECIFICATIONS CEA Power Ratings UPA224/UPA424 UPA224 Power Output: 18 watts RMS X 2 channels into 4-ohms @ < 1% THD+N Signal to Noise Ratio: 70dBA below reference (Reference: 1 watt, 4-ohms) Dynamic Power: 44 watts, all channels driven into 4-ohms @ < 1% THD+N Frequency Response: 20Hz to 20kHz, -3dB (Reference: 1 watt) Dimensions: 230mm X 52mm X 130mm UPA424 Power Output: 18 watts RMS X 4 channels into 4-ohms @ < 1% THD+N Signal to Noise Ratio: 70dBA below reference (Reference: 1 watt, 4-ohms) Dynamic Power: 88 watts, all channels driven into 4-ohms @ < 1% THD+N Frequency Response...
SPECIFICATIONS CEA Power Ratings UPA224/UPA424 UPA224 Power Output: 18 watts RMS X 2 channels into 4-ohms @ < 1% THD+N Signal to Noise Ratio: 70dBA below reference (Reference: 1 watt, 4-ohms) Dynamic Power: 44 watts, all channels driven into 4-ohms @ < 1% THD+N Frequency Response: 20Hz to 20kHz, -3dB (Reference: 1 watt) Dimensions: 230mm X 52mm X 130mm UPA424 Power Output: 18 watts RMS X 4 channels into 4-ohms @ < 1% THD+N Signal to Noise Ratio: 70dBA below reference (Reference: 1 watt, 4-ohms) Dynamic Power: 88 watts, all channels driven into 4-ohms @ < 1% THD+N Frequency Response...
Owners Manual
Page 9
... extend to the elimination of car static or motor noise, to correction of antenna problems, to costs incurred for the Company any liability other than expressed herein in connection with the sale of this product. IN NO...installation, mishandling, misuse, neglect, accident, or by removal or defacement of the factory serial number/bar code label(s) or markings. THE EXTENT OF THE COMPANY'S LIABILITY UNDER THIS WARRANTY IS LIMITED TO THE REPAIR OR REPLACEMENT PROVIDED ABOVE AND, IN NO EVENT, SHALL THE COMPANY'S LIABILITY EXCEED THE PURCHASE PRICE PAID BY PURCHASER FOR THE PRODUCT. Audiovox...
... extend to the elimination of car static or motor noise, to correction of antenna problems, to costs incurred for the Company any liability other than expressed herein in connection with the sale of this product. IN NO...installation, mishandling, misuse, neglect, accident, or by removal or defacement of the factory serial number/bar code label(s) or markings. THE EXTENT OF THE COMPANY'S LIABILITY UNDER THIS WARRANTY IS LIMITED TO THE REPAIR OR REPLACEMENT PROVIDED ABOVE AND, IN NO EVENT, SHALL THE COMPANY'S LIABILITY EXCEED THE PURCHASE PRICE PAID BY PURCHASER FOR THE PRODUCT. Audiovox...