In Phase IPA8701D 1Ω Stable 1600 Watts Monoblock with Subsonic Filter

Car amplifiers are the heart of a system and need be of the best quality available for your budget. All Inphase IPA car amplifiers are hand assembled and go through 35 different check points to ensure you get the best possible car amplifier today.

With One and Two OHM stable designs, trimode capability and clever protection circuits, these hand-built powerhouses will take anything you throw at them. Massive heat sinks with a high surface area to volume ratios and cast end caps to hide the wiring connections and keep things controlled – helped by forced air cooling on the real bass monsters.

The newly designed IPA8701D, IPA8704D, IPA9701D and IPA9704D now incorporate digital technology into their design, these amps are direct competition to the Pioneer GM-D amplifiers.

The IPA series amplifiers are designed for performance in a performance build. So there is no speaker level input, these are designed to fit with an aftermarket headunit. But you do not need to panic, you can use a line out converter to fit this amplifier to your factory system. For fitting the IPA series amp to a factory system we advise using the In Phase SRCAPro or for higher performance, the In Phase SRC6.

In Phase IPA 8701D
Power source 14.4V DC (10V to 16V)
Grounding system Negative type
Current consumption 30A (at continuous power : 4Ω)
Average current consumption 1.4A (4Ω for one channel)
1.5A (2Ω for one channel.)
1.6A (1Ω for one channel.)
Fuse 30A x 3
Dimensions (W x H x D) 250mm x 55.5mm x 310mm
Weight 2.7kg (6lbs excluding cables)
Maximum power output 600W x 1 (4Ω)
1000W x 1 (2Ω)
1600W x 1 (1Ω)
Continuous power output 300W x 1 (at 14.4V. 4Ω 20Hz to 240Hz.<1% THD)
400W x 1 (at 14.4V. 2Ω 20Hz to 240Hz.<1% THD)
800W x12 (at 14.4V. 1Ω 20Hz to 240Hz.<1% THD)
Load impedance >4Ω (1Ω to 8Ω allowable
Frequency response 10Hz to 250Hz (+0dB.-3dB)
Signal noise ratio 100dB (IHF-A network)
Low pass filter:
cut off frequency 50Hz to 250Hz
cut off slope -24dB/oct
High pass filter
cut off frequency 10Hz to 50Hz
cut off slope -24dB/oct
Bass control:
Frequency 50Hz
Level 0dB to 12dB
Gain control 200mV to 6V
Maximum input level / impedance 6V / 22kΩ
Power output 300W RMS x 1 Channel (at 14.4V 4Ω 20Hz to 240Hz and <1% THD+N)
500W RMS x 1 Channel (at 14.4V 2Ω 20Hz to 240Hz and <1% THD+N)
800W RMS x 1 Channel (at 14.4V 1Ω 20Hz to 240Hz and <1% THD+N)
S/N ratio 75dBA (refrence : 1W into 4Ω)