Contents

1.0 E4 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 1.1 The Bose® FreeSpace® E4 Series II business

music system . . . . . . . . . . . . . . . . . . . . . . . . 13 1.2 E4 system accessories . . . . . . . . . . . . . . . . . . . 13 1.3 FreeSpace Installer™ software . . . . . . . . . . . . . 14

2.0 Designing with the E4 System		15
2.1	Introduction	15
2.2	Basic design steps	15
	2.2.1 Step 1 – Determine source routing	15
	2.2.2 Step 2 – Determine Auto Volume
	requirements	15
	2.2.3 Step 3 – Determine volume control
	requirements	18
	2.2.4 Step 4 – Determine the speaker
	requirements	18
	2.2.5 Step 5 – Determine the E4 requirements . 19
2.3	Auto Volume layout examples	20
3.0 E4 Hardware Description		23
3.1	Front panel	23
	3.1.1 Controls	23
	3.1.2 Indicators	23
3.2	Rear panel	24
	3.2.1 System controls	24
	3.2.2 Audio source inputs	24
	3.2.3 Amplifier outputs	24
	3.2.4 AC power	24

4.0 Hardware Installation . . . . . . . . . . . . . . . . . . . . . . . . 25 4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.2 Included accessories . . . . . . . . . . . . . . . . . . . . 25 4.3 Placement guidelines . . . . . . . . . . . . . . . . . . . . 25 4.4 Shelf mounting the E4 unit . . . . . . . . . . . . . . . . 25 4.5 Rack mounting the E4 unit . . . . . . . . . . . . . . . . 26 4.6 Installing accessories . . . . . . . . . . . . . . . . . . . . 27

4.6.1 Sensing microphones . . . . . . . . . . . . . . . . 27 4.6.2 User interfaces . . . . . . . . . . . . . . . . . . . . . 27

4.7 System wiring . . . . . . . . . . . . . . . . . . . . . . . . . . 29 4.7.1 Auto volume microphone inputs . . . . . . . 29 4.7.2 Serial data communications . . . . . . . . . . . 29 4.7.3 User interface connections . . . . . . . . . . . . 29 4.7.4 Remote standby switch . . . . . . . . . . . . . . 29 4.7.5 LINE 1/LINE 2 source input . . . . . . . . . . . 30 4.7.6 AUX MIC/LINE 3 source input . . . . . . . . . 30 4.7.7 PAGE/MIC/LINE 4 source input . . . . . . . . 31 4.7.8 DIRECT IN/CONTROL source input . . . . . 31 4.7.9 Amplifier ZONE OUT outputs . . . . . . . . . . 32 4.7.10 Output voltage setting (70/100V) . . . . . . 32 4.7.11 ZONE 4 LINE OUT output . . . . . . . . . . . 33

4.8 AC power connections . . . . . . . . . . . . . . . . . . . 33

5.0 Using FreeSpace® Installer™ Software		34
5.1	Installing the software	34
5.2	Connecting to the E4 system	34
	5.2.1 No hardware detected	36
	5.2.2 Incompatible microcontroller code	36
	5.2.3 Sample design files	36
5.3	The Installer™ software user interface	37
5.4	Set Up Hardware mode	39
5.5	Set Up Schedule mode	40
	5.5.1 Setting the clock	41
	5.5.2 Adding events	41
	5.5.3 Viewing and changing event settings . . .	42
	5.5.4 Removing events from the list	42
5.6	Service Hardware mode	43
6.0 E4 System Setup		44
6.1	Introduction	44
6.2	Connecting your PC to an E4 system	44
6.3	System setup procedure	45
	6.3.1 Output gain	45
	6.3.2 Zone setup	46
	6.3.3 Input gain	47
	6.3.4 Source assign	49
	6.3.5 Source EQ	50
	6.3.6 Page set up	50
	6.3.7 Zone EQ	52
	6.3.8 Dynamic EQ	53
	6.3.9 Auto Volume	53
7.0 User Interface Operation		59
7.1	Enabling keypad operation	59
7.2	Turning the system on	59
7.3	Standard user interface operation	59
7.4	Auto Volume user interface operation	60
7.5	Multi-zone paging user interface operation . . .	61
8.0 E4 System Troubleshooting		62
8.1	Introduction	62
8.2	E4 hardware indicators	62
	8.2.1 Normal operation	62
	8.2.2 System fault	62
	8.2.3 Amplifier fault	63
	8.2.4 Input clipping	64
	8.2.5 Direct input is active	64
	8.2.6 No STANDBY and SYSTEM indicators . .	64
8.3	FreeSpace® E4 system Error Log	65
	8.3.1 Contents of the Error Log	65
	8.3.2 Hardware configuration	65
	8.3.3 Power-on self-test results	65
	8.3.4 Amplifier alarms	66
	8.3.5 Solving faults reported in the Error Log . .	67

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E4 specifications

Bose has long been a leader in audio technology, and their remarkable Bose E4 model epitomizes this legacy. Designed for both professional musicians and discerning audiophiles, the E4 is engineered to deliver an unparalleled listening experience.

At the heart of the Bose E4 is its state-of-the-art audio performance. The headphones are equipped with advanced drivers that produce a balanced sound profile, ensuring clarity across all frequencies. This extends from deep, resonant bass to crisp, high-frequency notes, making them suitable for a wide range of music genres. The soundstage is expansive, allowing listeners to immerse themselves in the music as if they were in a live performance.

Comfort is a priority with the E4, featuring plush ear cushions that conform to the shape of the ears. The lightweight design reduces fatigue, making them ideal for long listening sessions or extended studio work. The adjustable headband provides a secure yet comfortable fit, enhancing the overall listening experience without compromising style or functionality.

The E4 also incorporates Bose's renowned noise-canceling technology. This advanced feature blocks ambient noise, allowing users to focus solely on their music or audio productions. Whether in a noisy environment or during travel, the noise-canceling capabilities help maintain audio integrity by minimizing distractions.

Another distinguishing characteristic is the durable construction of the E4. Crafted from high-quality materials, the headphones are designed to withstand the rigors of daily use, making them a long-lasting investment. The foldable design adds an element of portability, allowing users to easily store and transport them without damage.

Connectivity options are versatile with the E4, including both wired and wireless options. The inclusion of Bluetooth technology allows for seamless pairing with devices, providing the freedom to move without being tethered by cables. Additionally, the integrated microphone enables hands-free calling and voice assistant interaction, blending convenience with high-quality audio.

In conclusion, the Bose E4 headphones embody the perfect marriage of advanced technology and user-focused design. With exceptional sound quality, impressive noise cancellation, comfortable ergonomics, and durable construction, they stand out as a top choice for anyone serious about their audio experience. Whether for professional use or personal enjoyment, the Bose E4 delivers on every front, solidifying its place in the premium headphone market.

Bose E4 manual Contents

Models: E4

E4 specifications