Operation Manual
Page 3
...." At Jensen, to install your new hard-hitting, speaker-pumping Jensen amplifier. Exposure to loud sounds or music can be fair to you must return the unit for other people by listening at moderate volumes! Introduction The Jensen Power series of amplifiers were designed to hear traffic, police, and fire or emergency vehicles. So feel confident that your Jensen amplifier should ever require service, you...
...." At Jensen, to install your new hard-hitting, speaker-pumping Jensen amplifier. Exposure to loud sounds or music can be fair to you must return the unit for other people by listening at moderate volumes! Introduction The Jensen Power series of amplifiers were designed to hear traffic, police, and fire or emergency vehicles. So feel confident that your Jensen amplifier should ever require service, you...
Operation Manual
Page 4
... x 2 Watts, 4-Ohm Bridged Stereo Power 1050 • 350 x 1 Watts, 4-Ohm • 525 x 1 Watts, 2-Ohm Specifications subject to new heights with the following features: • MOSFET Power Supply • High Current Bi-Polar Output Transistors • Optimized Class B Design Minimizes Distortion and Reduces Idle Current • Easily Drives 2-Ohm Loads • Pass-Thru RCA's • Variable Bass EQ 0 - 12dB @ 45 Hz • 12dB / Octave Low Pass and High Pass filters...
... x 2 Watts, 4-Ohm Bridged Stereo Power 1050 • 350 x 1 Watts, 4-Ohm • 525 x 1 Watts, 2-Ohm Specifications subject to new heights with the following features: • MOSFET Power Supply • High Current Bi-Polar Output Transistors • Optimized Class B Design Minimizes Distortion and Reduces Idle Current • Easily Drives 2-Ohm Loads • Pass-Thru RCA's • Variable Bass EQ 0 - 12dB @ 45 Hz • 12dB / Octave Low Pass and High Pass filters...
Operation Manual
Page 5
... a #8 gauge wire. Supplies • Black electrical tape • Amplifier Installation Kit Tools • Cordless drill with another WARNING: Do not cover the amplifier with at any wires, control cables, fuel lines, fuel tanks, hydraulic lines or other vehicle systems or components. Follow the installation instructions carefully, or have everything you need tools, supplies and adapters. When selecting a location, remember that your Jensen Power series amp will need before...
... a #8 gauge wire. Supplies • Black electrical tape • Amplifier Installation Kit Tools • Cordless drill with another WARNING: Do not cover the amplifier with at any wires, control cables, fuel lines, fuel tanks, hydraulic lines or other vehicle systems or components. Follow the installation instructions carefully, or have everything you need tools, supplies and adapters. When selecting a location, remember that your Jensen Power series amp will need before...
Operation Manual
Page 6
... (1) amplifier could be enough to ground. Upgrading the alternator should the main power wire short to overload your alternator and battery. Remote Turn-On (Power Antenna) BASS REL TREB BAL FADE VOL CD2620 CD-R/RW AUX IN i EQ 4 JPTH LOC/DX 1 CD RECEIVER 40 WATTSx4 2 INT 3 RPT 4 SHF CHANGER 5 DN 6 UP i X-BASS BAND SUB-W AS/PS SCAN MONO MODE AUX DISP i EQ MUTE 4 A fuse or circuit...
... (1) amplifier could be enough to ground. Upgrading the alternator should the main power wire short to overload your alternator and battery. Remote Turn-On (Power Antenna) BASS REL TREB BAL FADE VOL CD2620 CD-R/RW AUX IN i EQ 4 JPTH LOC/DX 1 CD RECEIVER 40 WATTSx4 2 INT 3 RPT 4 SHF CHANGER 5 DN 6 UP i X-BASS BAND SUB-W AS/PS SCAN MONO MODE AUX DISP i EQ MUTE 4 A fuse or circuit...
Operation Manual
Page 7
... making your ground connection. Replacement Fuse Requirements (FUSE) Model 400 760 880 900 920 1050 Quantity 1 2 2 2 2 4 Amps 25 20 30 30 30 25 Type ATO ATO ATO ATO ATO ATO 5 POWER Amplifiers Drill hole in chassis sheet metal. To ensure a good ground, scrape away any paint or undercoating to "bite into" the chassis for any service that may be needed at a later date. Ground Terminal...
... making your ground connection. Replacement Fuse Requirements (FUSE) Model 400 760 880 900 920 1050 Quantity 1 2 2 2 2 4 Amps 25 20 30 30 30 25 Type ATO ATO ATO ATO ATO ATO 5 POWER Amplifiers Drill hole in chassis sheet metal. To ensure a good ground, scrape away any paint or undercoating to "bite into" the chassis for any service that may be needed at a later date. Ground Terminal...
Operation Manual
Page 8
... the use of 2~ 4-ohms. For maximum power, configure your speakers for connecting one or two speakers. NOTE: Power amplifiers can drive speakers with a nominal impedance range of the proper gauge speaker wire. POWER Amplifiers Speaker Wiring The Speaker Wiring diagrams illustrate options for a nominal 2-ohm load. Observe the proper speaker polarity. Power 900/1050 Two Subwoofer One Subwoofer SPEAKER OUTPUT SPEAKER OUTPUT -- + + -- + + SPEAKER OUTPUT + LEFT - + RIGHT BRIDGED MODE X-OVER MONO STEREO FULL HPF LPF Tri-Mode SPEAKER OUTPUT + LEFT - + RIGHT BRIDGED MODE...
... the use of 2~ 4-ohms. For maximum power, configure your speakers for connecting one or two speakers. NOTE: Power amplifiers can drive speakers with a nominal impedance range of the proper gauge speaker wire. POWER Amplifiers Speaker Wiring The Speaker Wiring diagrams illustrate options for a nominal 2-ohm load. Observe the proper speaker polarity. Power 900/1050 Two Subwoofer One Subwoofer SPEAKER OUTPUT SPEAKER OUTPUT -- + + -- + + SPEAKER OUTPUT + LEFT - + RIGHT BRIDGED MODE X-OVER MONO STEREO FULL HPF LPF Tri-Mode SPEAKER OUTPUT + LEFT - + RIGHT BRIDGED MODE...
Operation Manual
Page 9
FULL HPF LPF + BRIDGED - 4 ohm nominal 7 FULL HPF LPF + BRIDGED - 4 ohm nominal Two Subwoofers 4 ohm nominal X-OVER FULL HPF LPF + CH1 + CH3 - + CH2 + CH4 - FULL HPF LPF + BRIDGED - 4 ohm nominal 2 ohm minimum Two Speakers and Bridged Subwoofer POWER Amplifiers 4 ohm nominal 2 ohm minimum X-OVER FULL HPF LPF + CH1 + CH3 - + CH2 + CH4 - Power 760/920 Four Speakers 4 ohm nominal 2 ohm minimum X-OVER FULL HPF LPF + CH1 + CH3 - + CH2 + CH4 -
FULL HPF LPF + BRIDGED - 4 ohm nominal 7 FULL HPF LPF + BRIDGED - 4 ohm nominal Two Subwoofers 4 ohm nominal X-OVER FULL HPF LPF + CH1 + CH3 - + CH2 + CH4 - FULL HPF LPF + BRIDGED - 4 ohm nominal 2 ohm minimum Two Speakers and Bridged Subwoofer POWER Amplifiers 4 ohm nominal 2 ohm minimum X-OVER FULL HPF LPF + CH1 + CH3 - + CH2 + CH4 - Power 760/920 Four Speakers 4 ohm nominal 2 ohm minimum X-OVER FULL HPF LPF + CH1 + CH3 - + CH2 + CH4 -
Operation Manual
Page 10
... 3 Channel MODE 234 LINE INPUT LEVEL BASS EQ HPF LPF X-OVER CH1 CH2 CH3 FULL HPF min max 0dB 12dB 40Hz 300Hz 40Hz 300Hz LPF CH4 min max 0dB 12dB 40Hz 300Hz 40Hz 300Hz FULL HPF LPF MODE 234 LINE OUT 8 POWER Amplifiers Input Wiring Most trunk/hatchback installations will require a 15-20 foot RCA cable, while pickup trucks and under-seat mounting will require a 6-12 foot RCA cable. Power 400/880 Input Wiring - Mono Mode RCA Cable Input Wiring - Stereo Mode RCA Cable Input Wiring - Connect an RCA cable...
... 3 Channel MODE 234 LINE INPUT LEVEL BASS EQ HPF LPF X-OVER CH1 CH2 CH3 FULL HPF min max 0dB 12dB 40Hz 300Hz 40Hz 300Hz LPF CH4 min max 0dB 12dB 40Hz 300Hz 40Hz 300Hz FULL HPF LPF MODE 234 LINE OUT 8 POWER Amplifiers Input Wiring Most trunk/hatchback installations will require a 15-20 foot RCA cable, while pickup trucks and under-seat mounting will require a 6-12 foot RCA cable. Power 400/880 Input Wiring - Mono Mode RCA Cable Input Wiring - Stereo Mode RCA Cable Input Wiring - Connect an RCA cable...
Operation Manual
Page 11
Connecting Additional Amplifiers Pass-Thru RCA connectors are provided to connect additional amplifiers without the need to purchase "Y" adapters. 9 POWER Amplifiers Choose a high quality low capacitance cable for the best results. 4 Channel MODE 234 LINE INPUT LEVEL BASS EQ HPF LPF X-OVER CH1 CH2 CH3 FULL HPF min max 0dB 12dB 40Hz 300Hz 40Hz 300Hz LPF CH4 min max 0dB 12dB 40Hz 300Hz 40Hz 300Hz FULL HPF LPF MODE LINE OUT 234 NOTE: The use of good quality RCA cables is just as important as power and speaker wire.
Connecting Additional Amplifiers Pass-Thru RCA connectors are provided to connect additional amplifiers without the need to purchase "Y" adapters. 9 POWER Amplifiers Choose a high quality low capacitance cable for the best results. 4 Channel MODE 234 LINE INPUT LEVEL BASS EQ HPF LPF X-OVER CH1 CH2 CH3 FULL HPF min max 0dB 12dB 40Hz 300Hz 40Hz 300Hz LPF CH4 min max 0dB 12dB 40Hz 300Hz 40Hz 300Hz FULL HPF LPF MODE LINE OUT 234 NOTE: The use of good quality RCA cables is just as important as power and speaker wire.
Operation Manual
Page 12
... have a 2-channel input from the source unit. Crossover (X-OVER) The Jensen Power series of the amplifier. Mode Switch Power 400 and 880 The 400 and 880 come equiped with a MONO/STEREO MODE switch. Back the volume down all the way (counter-clockwise or all the way to hear distortion. Low Pass Filter (LPF) The Low Pass Filter controls adjust the crossover point. Select LPF (low pass filter) when the amplifier will typically use of the Bass Boost could...
... have a 2-channel input from the source unit. Crossover (X-OVER) The Jensen Power series of the amplifier. Mode Switch Power 400 and 880 The 400 and 880 come equiped with a MONO/STEREO MODE switch. Back the volume down all the way (counter-clockwise or all the way to hear distortion. Low Pass Filter (LPF) The Low Pass Filter controls adjust the crossover point. Select LPF (low pass filter) when the amplifier will typically use of the Bass Boost could...
Operation Manual
Page 13
... the volume. Test Speaker Connections These tests make sure the wiring is correct and everything is used as a "remote bass level control". Power Min Max REMOTE CONTROL POWER PROTECT REMOTE CONTROL BASS BOOST SUB SONIC LOW PASS LEVEL OUTPUT INPUT L L 0dB 12dB 10Hz 40Hz 40Hz 300Hz 4V 0.4V R R 11 If speakers don't play at amplifier and speakers. Simply plug the 6-pin modular cable into the amplifier and then into the Remote Input Level Control to drive subwoofers and the low pass crossover is activated, the Remote Input Level Control...
... the volume. Test Speaker Connections These tests make sure the wiring is correct and everything is used as a "remote bass level control". Power Min Max REMOTE CONTROL POWER PROTECT REMOTE CONTROL BASS BOOST SUB SONIC LOW PASS LEVEL OUTPUT INPUT L L 0dB 12dB 10Hz 40Hz 40Hz 300Hz 4V 0.4V R R 11 If speakers don't play at amplifier and speakers. Simply plug the 6-pin modular cable into the amplifier and then into the Remote Input Level Control to drive subwoofers and the low pass crossover is activated, the Remote Input Level Control...
Operation Manual
Page 14
...Troubleshooting Problem Amplifier does not turn on Possible Cause No power to +12V terminal No power to REM terminal Blown main fuse at battery Blown fuse at amplifier Faulty ground Volume control too Input level control sensitive adjusted too high Distorted sound Input level control adjusted too high Blows fuse(s) at amp Power wires connected backwards Internal problem with amp Engine noise / Ground loop(s) Alternator whine Faulty ground at amp Faulty ground at head unit Inductive coupling Thermal protection activated Input level on amp set too high Amplifier driving 2 ohm...
...Troubleshooting Problem Amplifier does not turn on Possible Cause No power to +12V terminal No power to REM terminal Blown main fuse at battery Blown fuse at amplifier Faulty ground Volume control too Input level control sensitive adjusted too high Distorted sound Input level control adjusted too high Blows fuse(s) at amp Power wires connected backwards Internal problem with amp Engine noise / Ground loop(s) Alternator whine Faulty ground at amp Faulty ground at head unit Inductive coupling Thermal protection activated Input level on amp set too high Amplifier driving 2 ohm...
Operation Manual
Page 15
... Power Output: 230 watts RMS X 1 channels into 4-ohms @ < 1% THD+N Signal to Noise Ratio: 100dBA below reference (Reference: 1 watt, 4-ohms) Additional Power Output: 340 watts RMS X 1 channels into 2-ohms @ < 1% THD+N Frequency Response: 10Hz to 240Hz, -3dB (Reference: 1 watt) Dimensions: L15.75" x H2.5" x W9.0" POWER Amplifiers Power 920 Power Output: 90 watts RMS X 4 channels into 4-ohms @ < 1% THD+N Signal to Noise Ratio: 100dBA below reference (Reference: 1 watt, 4-ohms) Additional Power Output: 120 watts RMS X 4 channels into 2-ohms @ < 1% THD+N 190 watts RMS X 2 channels (Bridged Stereo...
... Power Output: 230 watts RMS X 1 channels into 4-ohms @ < 1% THD+N Signal to Noise Ratio: 100dBA below reference (Reference: 1 watt, 4-ohms) Additional Power Output: 340 watts RMS X 1 channels into 2-ohms @ < 1% THD+N Frequency Response: 10Hz to 240Hz, -3dB (Reference: 1 watt) Dimensions: L15.75" x H2.5" x W9.0" POWER Amplifiers Power 920 Power Output: 90 watts RMS X 4 channels into 4-ohms @ < 1% THD+N Signal to Noise Ratio: 100dBA below reference (Reference: 1 watt, 4-ohms) Additional Power Output: 120 watts RMS X 4 channels into 2-ohms @ < 1% THD+N 190 watts RMS X 2 channels (Bridged Stereo...
Operation Manual
Page 44
...review the "Care and Maintenance" section of your Installation and Operation Manual for the location of a warranty station serving your product. We recommend using a carrier that should this product or any liability other rights which you require service. Obtaining Warranty Service • To obtain repair or replacement... or liabilities. neon or LED lights), accessories, or vehicle electrical systems • Damage caused by over-driving the speaker; or mechanical failures due to punctures or tears • Products whose factory serial number/bar code label(s) or markings have other...
...review the "Care and Maintenance" section of your Installation and Operation Manual for the location of a warranty station serving your product. We recommend using a carrier that should this product or any liability other rights which you require service. Obtaining Warranty Service • To obtain repair or replacement... or liabilities. neon or LED lights), accessories, or vehicle electrical systems • Damage caused by over-driving the speaker; or mechanical failures due to punctures or tears • Products whose factory serial number/bar code label(s) or markings have other...
Operation Manual
Page 48
Audiovox Electronics Corporation Hauppauge, NY 11788 1-800-323-4815 www.jensen.com © 2007 Audiovox v. 012407
Audiovox Electronics Corporation Hauppauge, NY 11788 1-800-323-4815 www.jensen.com © 2007 Audiovox v. 012407